return_stuff.go

     1  // run
     2  
     3  //go:build !wasm
     4  
     5  // Copyright 2021 The Go Authors. All rights reserved.
     6  // Use of this source code is governed by a BSD-style
     7  // license that can be found in the LICENSE file.
     8  
     9  // wasm is excluded because the compiler chatter about register abi pragma ends up
    10  // on stdout, and causes the expected output to not match.
    11  
    12  package main
    13  
    14  import (
    15  	"fmt"
    16  )
    17  
    18  //go:registerparams
    19  //go:noinline
    20  func F(a, b, c *int) int {
    21  	return *a + *b + *c
    22  }
    23  
    24  //go:registerparams
    25  //go:noinline
    26  func H(s, t string) string {
    27  	return s + " " + t
    28  }
    29  
    30  func main() {
    31  	a, b, c := 1, 4, 16
    32  	x := F(&a, &b, &c)
    33  	fmt.Printf("x = %d\n", x)
    34  	y := H("Hello", "World!")
    35  	fmt.Println("len(y) =", len(y))
    36  	fmt.Println("y =", y)
    37  }
    38
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