Source file test/typeparam/mdempsky/18.go

     1  // run
     2  
     3  // Copyright 2022 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Test that implicit conversions to interface type in a select/case
     8  // clause are compiled correctly.
     9  
    10  package main
    11  
    12  import "fmt"
    13  
    14  func main() { f[int]() }
    15  
    16  func f[T any]() {
    17  	ch := make(chan T)
    18  	close(ch)
    19  
    20  	var i, ok any
    21  	select {
    22  	case i, ok = <-ch:
    23  	}
    24  
    25  	fmt.Printf("%T %T\n", i, ok)
    26  }
    27  

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