mirror of
https://github.com/tweag/nickel.git
synced 2024-09-20 08:05:15 +03:00
65 lines
1.4 KiB
Plaintext
65 lines
1.4 KiB
Plaintext
{
|
|
nums = {
|
|
Int = fun label value =>
|
|
if %isNum% value then
|
|
if value % 1 == 0 then
|
|
value
|
|
else
|
|
%blame% (%tag% "not an integer" label)
|
|
else
|
|
%blame% (%tag% "not a number" label),
|
|
|
|
Nat = fun label value =>
|
|
if %isNum% value then
|
|
if value % 1 == 0 && value >= 0 then
|
|
value
|
|
else
|
|
%blame% (%tag% "not a natural" label)
|
|
else
|
|
%blame% (%tag% "not a number" label),
|
|
|
|
PosNat = fun label value =>
|
|
if %isNum% value then
|
|
if value % 1 == 0 && value > 0 then
|
|
value
|
|
else
|
|
%blame% (%tag% "not positive integer" label)
|
|
else
|
|
%blame% (%tag% "not a number" label),
|
|
|
|
NonZero = fun label value =>
|
|
if %isNum% value then
|
|
if value != 0 then
|
|
value
|
|
else
|
|
%blame% (%tag% "non-zero" label)
|
|
else
|
|
%blame% (%tag% "not a number" label),
|
|
|
|
isInt : Num -> Bool = fun x =>
|
|
%isNum% x && (x % 1 == 0),
|
|
|
|
min : Num -> Num -> Num = fun x y =>
|
|
if x <= y then x else y,
|
|
|
|
max : Num -> Num -> Num = fun x y =>
|
|
if x >= y then x else y,
|
|
|
|
floor : Num -> Num = fun x =>
|
|
if x >= 0 then x - (x % 1)
|
|
else x - 1 - (x % 1),
|
|
|
|
abs : Num -> Num = fun x =>
|
|
if x < 0 then -x else x,
|
|
|
|
fract : Num -> Num = fun x =>
|
|
x % 1,
|
|
|
|
trunc : Num -> Num = fun x =>
|
|
x - (x % 1),
|
|
|
|
pow : Num -> Num -> Num = fun x n =>
|
|
%pow% x n,
|
|
}
|
|
}
|