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Previously, parameter block reused the same syntax as in Idris1: ``` parameters (v1 : t1, … , vn : tn) ``` Unfortunately this syntax presents some issues: - It does not allow to declare implicit parameters - It does not allow to specify which multiplicity to use - It is inconsistent with the syntax used for named arguments elsewhere in the language. This change fixes those three problems by borrowing the syntax for declaring type parameters in records: ``` parameters (v1 : t2) (v2 : t2) … (vn : tn) ``` It also enables other features like multiple declarations of arguments with the same type: ``` parameters (v1, v2 : Type) ```
4 lines
57 B
Idris
4 lines
57 B
Idris
parameters (x : Nat) (y : Nat)
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add : Nat
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add = x + y
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