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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>
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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/generic_class/fail_argument_deduction.carbon
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@@ -22,7 +22,7 @@ fn FirstOfTwoPoints[T:! Type](a: Point(T), b: Point(T)) -> Point(T) {
fn Main() -> i32 {
var p: Point(i32) = {.x = 0, .y = 1};
var q: Point(Bool) = {.x = true, .y = false};
// CHECK: COMPILATION ERROR: {{.*}}/explorer/testdata/generic_class/fail_argument_deduction.carbon:[[@LINE+3]]: type error in argument deduction
// CHECK: COMPILATION ERROR: {{.*}}/explorer/testdata/generic_class/fail_argument_deduction.carbon:[[@LINE+3]]: type error in repeated argument deduction
// CHECK: expected: i32
// CHECK: actual: Bool
return FirstOfTwoPoints(p, q).x;