impl group element values

benchmark/simple.leo

@@ -1,10 +1,3 @@
-// Basic Pedersen hash function
-// 1 window x 3 bits
-
 function main() {
-  let arr1: u32[2][3] = [[0; 3]; 2];
-  let arr2: u32[2][3] = [[0, 0, 0], [0, 0, 0]];
-
-  assert_eq(arr1, arr2);
-
+  let g = 0group;
 }

benchmark/src/main.rs

@@ -6,24 +6,23 @@ use snarkos_algorithms::snark::{
     create_random_proof, generate_random_parameters, prepare_verifying_key, verify_proof,
 };
 use snarkos_curves::bls12_377::{Bls12_377, Fr};
+use snarkos_curves::edwards_bls12::EdwardsProjective;
 use snarkos_errors::gadgets::SynthesisError;
+use snarkos_models::curves::Group;
 use snarkos_models::{
     curves::{Field, PrimeField},
     gadgets::r1cs::{ConstraintSynthesizer, ConstraintSystem},
 };
-use snarkos_models::curves::Group;
 use std::{
     fs,
     marker::PhantomData,
     time::{Duration, Instant},
 };
-use std::str::FromStr;
-use snarkos_curves::edwards_bls12::EdwardsProjective;
 
 #[derive(Clone)]
 pub struct Benchmark<F: Field + PrimeField, G: Group> {
-    program: Program<F>,
-    parameters: Vec<Option<InputValue<F>>>,
+    program: Program<F, G>,
+    parameters: Vec<Option<InputValue<F, G>>>,
     _group: PhantomData<G>,
     _engine: PhantomData<F>,
 }
@@ -39,12 +38,6 @@ impl<F: Field + PrimeField, G: Group> Benchmark<F, G> {
     }
 
     pub fn evaluate_program(&mut self) -> Result<(), CompilerError> {
-        let scalar = G::ScalarField::from_str("2325446546544").unwrap_or_default();
-        println!("{}", scalar);
-        let other = G::default().mul(&G::ScalarField::one());
-        println!("{}", other);
-
-        assert_eq!(G::default(), G::default().double());
         // Read in file as string
         let unparsed_file = fs::read_to_string("simple.leo").expect("cannot read file");
 
@@ -53,10 +46,9 @@ impl<F: Field + PrimeField, G: Group> Benchmark<F, G> {
 
         // Build the abstract syntax tree
         let syntax_tree = ast::File::from_pest(&mut file).expect("infallible");
-        // println!("{:#?}", syntax_tree);
 
         // Build a leo program from the syntax tree
-        self.program = Program::<F>::from(syntax_tree, "simple".into());
+        self.program = Program::<F, G>::from(syntax_tree, "simple".into());
         self.parameters = vec![None; self.program.num_parameters];
 
         println!(" compiled: {:#?}\n", self.program);
@@ -70,8 +62,7 @@ impl<F: Field + PrimeField, G: Group> ConstraintSynthesizer<F> for Benchmark<F,
         self,
         cs: &mut CS,
     ) -> Result<(), SynthesisError> {
-        let _res =
-            leo_compiler::generate_constraints(cs, self.program, self.parameters).unwrap();
+        let _res = leo_compiler::generate_constraints(cs, self.program, self.parameters).unwrap();
         println!(" Result: {}", _res);
 
         // Write results to file or something

compiler/src/ast.rs

@@ -259,6 +259,7 @@ impl<'ast> fmt::Display for Integer<'ast> {
 #[pest_ast(rule(Rule::value_field))]
 pub struct Field<'ast> {
     pub number: Number<'ast>,
+    pub _type: FieldType<'ast>,
     #[pest_ast(outer())]
     pub span: Span<'ast>,
 }
@@ -273,6 +274,7 @@ impl<'ast> fmt::Display for Field<'ast> {
 #[pest_ast(rule(Rule::value_group))]
 pub struct Group<'ast> {
     pub number: Number<'ast>,
+    pub _type: GroupType<'ast>,
     #[pest_ast(outer())]
     pub span: Span<'ast>,
 }

compiler/src/compiler.rs

@@ -9,7 +9,7 @@ use crate::{
 
 use snarkos_errors::gadgets::SynthesisError;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::r1cs::{ConstraintSynthesizer, ConstraintSystem},
 };
 

compiler/src/constraints/boolean.rs

@@ -8,7 +8,7 @@ use crate::{
 
 use snarkos_errors::gadgets::SynthesisError;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{
         r1cs::ConstraintSystem,
         utilities::{alloc::AllocGadget, boolean::Boolean, eq::EqGadget},

compiler/src/constraints/expression.rs

@@ -10,7 +10,7 @@ use crate::{
 };
 
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{r1cs::ConstraintSystem, utilities::boolean::Boolean},
 };
 
@@ -440,6 +440,7 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
             // Values
             Expression::Integer(integer) => Ok(Self::get_integer_constant(integer)),
             Expression::FieldElement(fe) => Ok(Self::get_field_element_constant(fe)),
+            Expression::GroupElement(gr) => Ok(ConstrainedValue::GroupElement(gr)),
             Expression::Boolean(bool) => Ok(Self::get_boolean_constant(bool)),
 
             // Binary operations

compiler/src/constraints/field_element.rs

@@ -8,7 +8,7 @@ use crate::{
 
 use snarkos_errors::gadgets::SynthesisError;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::r1cs::{ConstraintSystem, LinearCombination, Variable as R1CSVariable},
 };
 

compiler/src/constraints/function.rs

@@ -13,7 +13,7 @@ use crate::{
 };
 
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::r1cs::ConstraintSystem,
 };
 

compiler/src/constraints/import.rs

@@ -8,7 +8,7 @@ use crate::{
 
 use from_pest::FromPest;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::r1cs::ConstraintSystem,
 };
 use std::fs;

compiler/src/constraints/integer/integer.rs

@@ -8,7 +8,7 @@ use crate::{
 };
 
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{r1cs::ConstraintSystem, utilities::boolean::Boolean},
 };
 

compiler/src/constraints/integer/uint128.rs

@@ -8,7 +8,7 @@ use crate::{
 
 use snarkos_errors::gadgets::SynthesisError;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{
         r1cs::ConstraintSystem,
         utilities::{alloc::AllocGadget, eq::EqGadget, uint128::UInt128},

compiler/src/constraints/integer/uint16.rs

@@ -8,7 +8,7 @@ use crate::{
 
 use snarkos_errors::gadgets::SynthesisError;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{
         r1cs::ConstraintSystem,
         utilities::{alloc::AllocGadget, eq::EqGadget, uint16::UInt16},

compiler/src/constraints/integer/uint32.rs

@@ -8,7 +8,7 @@ use crate::{
 
 use snarkos_errors::gadgets::SynthesisError;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{
         r1cs::ConstraintSystem,
         utilities::{alloc::AllocGadget, eq::EqGadget, uint32::UInt32},

compiler/src/constraints/integer/uint64.rs

@@ -8,7 +8,7 @@ use crate::{
 
 use snarkos_errors::gadgets::SynthesisError;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{
         r1cs::ConstraintSystem,
         utilities::{alloc::AllocGadget, eq::EqGadget, uint64::UInt64},

compiler/src/constraints/integer/uint8.rs

@@ -8,7 +8,7 @@ use crate::{
 
 use snarkos_errors::gadgets::SynthesisError;
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{
         r1cs::ConstraintSystem,
         utilities::{alloc::AllocGadget, eq::EqGadget, uint8::UInt8},

compiler/src/constraints/mod.rs

@@ -33,7 +33,7 @@ use crate::{
 };
 
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::r1cs::ConstraintSystem,
 };
 

compiler/src/constraints/program.rs

@@ -3,7 +3,7 @@
 use crate::{constraints::ConstrainedValue, types::Variable};
 
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::r1cs::ConstraintSystem,
 };
 use std::{collections::HashMap, marker::PhantomData};
@@ -31,7 +31,7 @@ pub fn new_variable_from_variable<F: Field + PrimeField, G: Group>(
     Variable {
         name: new_scope_from_variable(outer, inner),
         _engine: PhantomData::<F>,
-        _group: PhantomData::<G>
+        _group: PhantomData::<G>,
     }
 }
 
@@ -58,7 +58,11 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
         self.resolved_names.insert(name, value);
     }
 
-    pub(crate) fn store_variable(&mut self, variable: Variable<F, G>, value: ConstrainedValue<F, G>) {
+    pub(crate) fn store_variable(
+        &mut self,
+        variable: Variable<F, G>,
+        value: ConstrainedValue<F, G>,
+    ) {
         self.store(variable.name, value);
     }
 

compiler/src/constraints/statement.rs

@@ -10,7 +10,7 @@ use crate::{
 };
 
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::{r1cs::ConstraintSystem, utilities::boolean::Boolean, utilities::uint32::UInt32},
 };
 

compiler/src/constraints/value.rs

@@ -7,13 +7,16 @@ use crate::{
 };
 
 use snarkos_models::{
-    curves::{Group, Field, PrimeField},
+    curves::{Field, Group, PrimeField},
     gadgets::utilities::boolean::Boolean,
 };
 use std::fmt;
 
 #[derive(Clone, PartialEq, Eq)]
-pub struct ConstrainedStructMember<F: Field + PrimeField, G: Group>(pub Variable<F, G>, pub ConstrainedValue<F, G>);
+pub struct ConstrainedStructMember<F: Field + PrimeField, G: Group>(
+    pub Variable<F, G>,
+    pub ConstrainedValue<F, G>,
+);
 
 #[derive(Clone, PartialEq, Eq)]
 pub enum ConstrainedValue<F: Field + PrimeField, G: Group> {

compiler/src/imports.rs

@@ -2,7 +2,7 @@
 
 use crate::Variable;
 
-use snarkos_models::curves::{Field, PrimeField, Group};
+use snarkos_models::curves::{Field, Group, PrimeField};
 use std::fmt;
 
 #[derive(Clone)]

compiler/src/leo.pest

@@ -72,7 +72,7 @@ type_integer = {
 type_field = {"field"}
 type_group = {"group"}
 type_bool = {"bool"}
-type_basic = { type_integer | type_field | type_group | type_bool }
+type_basic = { type_field | type_group | type_bool | type_integer }
 type_struct = { variable }
 type_basic_or_struct = {type_basic | type_struct }
 type_array = {type_basic ~ ("[" ~ value ~ "]")+ }
@@ -83,10 +83,10 @@ type_list = _{(_type ~ ("," ~ _type)*)?}
 
 value_number = @{ "0" | ASCII_NONZERO_DIGIT ~ ASCII_DIGIT* }
 value_integer = { value_number ~ type_integer? }
-value_field = { value_number ~ "fe" }
-value_group = { value_number ~ "gr" }
+value_field = { value_number ~ type_field }
+value_group = { value_number ~ type_group }
 value_boolean = { "true" | "false" }
-value = { value_field | value_boolean | value_integer }
+value = { value_field | value_group | value_boolean | value_integer }
 
 /// Variables
 

compiler/src/types.rs

@@ -4,7 +4,7 @@
 use crate::{errors::IntegerError, Import};
 
 use crate::errors::ValueError;
-use snarkos_models::curves::{Field, PrimeField, Group};
+use snarkos_models::curves::{Field, Group, PrimeField};
 use snarkos_models::gadgets::{
     r1cs::Variable as R1CSVariable,
     utilities::{
@@ -135,7 +135,11 @@ pub enum Expression<F: Field + PrimeField, G: Group> {
     Lt(Box<Expression<F, G>>, Box<Expression<F, G>>),
 
     // Conditionals
-    IfElse(Box<Expression<F, G>>, Box<Expression<F, G>>, Box<Expression<F, G>>),
+    IfElse(
+        Box<Expression<F, G>>,
+        Box<Expression<F, G>>,
+        Box<Expression<F, G>>,
+    ),
 
     // Arrays
     Array(Vec<Box<SpreadOrExpression<F, G>>>),

compiler/src/types_display.rs

@@ -6,7 +6,7 @@ use crate::{
     SpreadOrExpression, Statement, Struct, StructField, Type, Variable,
 };
 
-use snarkos_models::curves::{Group, Field, PrimeField};
+use snarkos_models::curves::{Field, Group, PrimeField};
 use std::fmt;
 
 impl<F: Field + PrimeField, G: Group> fmt::Display for Variable<F, G> {
@@ -34,7 +34,7 @@ impl<F: Field + PrimeField> FieldElement<F> {
                 if option.is_some() {
                     write!(f, "{}", option.unwrap())
                 } else {
-                    write!(f, "allocated fe")
+                    write!(f, "allocated field")
                 }
             }
         }
@@ -314,6 +314,7 @@ impl<F: Field + PrimeField, G: Group> fmt::Display for InputValue<F, G> {
         match self {
             InputValue::Integer(ref integer) => write!(f, "{}", integer),
             InputValue::Field(ref field) => write!(f, "{}", field),
+            InputValue::Group(ref group) => write!(f, "{}", group),
             InputValue::Boolean(ref bool) => write!(f, "{}", bool),
             InputValue::Array(ref array) => {
                 write!(f, "[")?;

compiler/src/types_from.rs

@@ -2,7 +2,7 @@
 
 use crate::{ast, types, Import, ImportSymbol};
 
-use snarkos_models::curves::{Field, PrimeField, Group};
+use snarkos_models::curves::{Field, Group, PrimeField};
 use snarkos_models::gadgets::utilities::{
     boolean::Boolean, uint128::UInt128, uint16::UInt16, uint32::UInt32, uint64::UInt64,
     uint8::UInt8,
@@ -80,12 +80,14 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::RangeOrExpression<'ast>>
                             unimplemented!("Range bounds should be integers, found {}", expression)
                         }
                     });
-                let to = range.to.map(|to| match types::Expression::<F, G>::from(to.0) {
-                    types::Expression::Integer(number) => number,
-                    expression => {
-                        unimplemented!("Range bounds should be integers, found {}", expression)
-                    }
-                });
+                let to = range
+                    .to
+                    .map(|to| match types::Expression::<F, G>::from(to.0) {
+                        types::Expression::Integer(number) => number,
+                        expression => {
+                            unimplemented!("Range bounds should be integers, found {}", expression)
+                        }
+                    });
 
                 types::RangeOrExpression::Range(from, to)
             }
@@ -133,14 +135,16 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::Value<'ast>> for types::Ex
     fn from(value: ast::Value<'ast>) -> Self {
         match value {
             ast::Value::Integer(num) => types::Expression::from(num),
-            ast::Value::Field(fe) => types::Expression::from(fe),
-            ast::Value::Group(group) => unimplemented!("no groups yet"),
+            ast::Value::Field(field) => types::Expression::from(field),
+            ast::Value::Group(group) => types::Expression::from(group),
             ast::Value::Boolean(bool) => types::Expression::from(bool),
         }
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::NotExpression<'ast>> for types::Expression<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::NotExpression<'ast>>
+    for types::Expression<F, G>
+{
     fn from(expression: ast::NotExpression<'ast>) -> Self {
         types::Expression::Not(Box::new(types::Expression::from(*expression.expression)))
     }
@@ -161,7 +165,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::SpreadOrExpression<'ast>>
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::BinaryExpression<'ast>> for types::Expression<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::BinaryExpression<'ast>>
+    for types::Expression<F, G>
+{
     fn from(expression: ast::BinaryExpression<'ast>) -> Self {
         match expression.operation {
             // Boolean operations
@@ -221,7 +227,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::BinaryExpression<'ast>> fo
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::TernaryExpression<'ast>> for types::Expression<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::TernaryExpression<'ast>>
+    for types::Expression<F, G>
+{
     fn from(expression: ast::TernaryExpression<'ast>) -> Self {
         types::Expression::IfElse(
             Box::new(types::Expression::from(*expression.first)),
@@ -231,7 +239,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::TernaryExpression<'ast>> f
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::ArrayInlineExpression<'ast>> for types::Expression<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::ArrayInlineExpression<'ast>>
+    for types::Expression<F, G>
+{
     fn from(array: ast::ArrayInlineExpression<'ast>) -> Self {
         types::Expression::Array(
             array
@@ -253,7 +263,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::ArrayInitializerExpression
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::InlineStructMember<'ast>> for types::StructMember<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::InlineStructMember<'ast>>
+    for types::StructMember<F, G>
+{
     fn from(member: ast::InlineStructMember<'ast>) -> Self {
         types::StructMember {
             variable: types::Variable::from(member.variable),
@@ -262,7 +274,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::InlineStructMember<'ast>>
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::StructInlineExpression<'ast>> for types::Expression<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::StructInlineExpression<'ast>>
+    for types::Expression<F, G>
+{
     fn from(expression: ast::StructInlineExpression<'ast>) -> Self {
         let variable = types::Variable::from(expression.variable);
         let members = expression
@@ -275,7 +289,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::StructInlineExpression<'as
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::PostfixExpression<'ast>> for types::Expression<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::PostfixExpression<'ast>>
+    for types::Expression<F, G>
+{
     fn from(expression: ast::PostfixExpression<'ast>) -> Self {
         let variable = types::Expression::Variable(types::Variable::from(expression.variable));
 
@@ -312,7 +328,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::PostfixExpression<'ast>> f
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::Expression<'ast>> for types::Expression<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::Expression<'ast>>
+    for types::Expression<F, G>
+{
     fn from(expression: ast::Expression<'ast>) -> Self {
         match expression {
             ast::Expression::Value(value) => types::Expression::from(value),
@@ -396,7 +414,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::Assignee<'ast>> for types:
 
 /// pest ast -> types::Statement
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::ReturnStatement<'ast>> for types::Statement<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::ReturnStatement<'ast>>
+    for types::Statement<F, G>
+{
     fn from(statement: ast::ReturnStatement<'ast>) -> Self {
         types::Statement::Return(
             statement
@@ -408,17 +428,23 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::ReturnStatement<'ast>> for
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::DefinitionStatement<'ast>> for types::Statement<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::DefinitionStatement<'ast>>
+    for types::Statement<F, G>
+{
     fn from(statement: ast::DefinitionStatement<'ast>) -> Self {
         types::Statement::Definition(
             types::Assignee::from(statement.variable),
-            statement._type.map(|_type| types::Type::<F, G>::from(_type)),
+            statement
+                ._type
+                .map(|_type| types::Type::<F, G>::from(_type)),
             types::Expression::from(statement.expression),
         )
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::AssignStatement<'ast>> for types::Statement<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::AssignStatement<'ast>>
+    for types::Statement<F, G>
+{
     fn from(statement: ast::AssignStatement<'ast>) -> Self {
         match statement.assign {
             ast::OperationAssign::Assign(ref _assign) => types::Statement::Assign(
@@ -535,7 +561,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::ConditionalStatement<'ast>
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::ForStatement<'ast>> for types::Statement<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::ForStatement<'ast>>
+    for types::Statement<F, G>
+{
     fn from(statement: ast::ForStatement<'ast>) -> Self {
         let from = match types::Expression::<F, G>::from(statement.start) {
             types::Expression::Integer(number) => number,
@@ -559,7 +587,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::ForStatement<'ast>> for ty
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::AssertStatement<'ast>> for types::Statement<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::AssertStatement<'ast>>
+    for types::Statement<F, G>
+{
     fn from(statement: ast::AssertStatement<'ast>) -> Self {
         match statement {
             ast::AssertStatement::AssertEq(assert_eq) => types::Statement::AssertEq(
@@ -570,7 +600,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::AssertStatement<'ast>> for
     }
 }
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::ExpressionStatement<'ast>> for types::Statement<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::ExpressionStatement<'ast>>
+    for types::Statement<F, G>
+{
     fn from(statement: ast::ExpressionStatement<'ast>) -> Self {
         types::Statement::Expression(types::Expression::from(statement.expression))
     }
@@ -610,7 +642,9 @@ impl From<ast::IntegerType> for types::IntegerType {
 impl<'ast, F: Field + PrimeField, G: Group> From<ast::BasicType<'ast>> for types::Type<F, G> {
     fn from(basic_type: ast::BasicType<'ast>) -> Self {
         match basic_type {
-            ast::BasicType::Integer(_type) => types::Type::IntegerType(types::IntegerType::from(_type)),
+            ast::BasicType::Integer(_type) => {
+                types::Type::IntegerType(types::IntegerType::from(_type))
+            }
             ast::BasicType::Field(_type) => types::Type::FieldElement,
             ast::BasicType::Group(_type) => unimplemented!(),
             ast::BasicType::Boolean(_type) => types::Type::Boolean,
@@ -649,7 +683,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::Type<'ast>> for types::Typ
 
 /// pest ast -> types::Struct
 
-impl<'ast, F: Field + PrimeField, G: Group> From<ast::StructField<'ast>> for types::StructField<F, G> {
+impl<'ast, F: Field + PrimeField, G: Group> From<ast::StructField<'ast>>
+    for types::StructField<F, G>
+{
     fn from(struct_field: ast::StructField<'ast>) -> Self {
         types::StructField {
             variable: types::Variable::from(struct_field.variable),

stdlib/crh/pedersen.leo

@@ -1,2 +0,0 @@
-// 3 bit Pedersen hash function
-fn main() ->