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Initial support for generic parameters that are introduced in a function parameter list (#1247)

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In order for this to work, we need to always use the argument deduction code path for function calls, instead of only using it when there is a `[...]` list, which means that argument deduction now needs to support implicit conversion.

Co-authored-by: Jon Meow <jperkins@google.com>
This commit is contained in:
Richard Smith
2022-05-12 08:48:19 -07:00
committed by GitHub
co-authored by Jon Meow
parent b27aa21a88
commit c29f56e667
14 changed files with 320 additions and 177 deletions
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explorer/testdata/function/fail_call_with_tuple.carbon
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@@ -15,6 +15,6 @@ fn f(x: i32, y: i32) -> i32 { return x + y; }
fn Main() -> i32 {
var xy: (i32, i32) = (1, 2);
// should fail to type-check
// CHECK: COMPILATION ERROR: {{.*}}/explorer/testdata/function/fail_call_with_tuple.carbon:[[@LINE+1]]: type error in call: '((i32, i32))' is not implicitly convertible to '(i32, i32)'
// CHECK: COMPILATION ERROR: {{.*}}/explorer/testdata/function/fail_call_with_tuple.carbon:[[@LINE+1]]: mismatch in tuple sizes, expected 2 but got 1
return f(xy);
}