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examples: polishes a few docs (#501)

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Signed-off-by: Adrian Cole <adrian@tetrate.io>
This commit is contained in:
Crypt Keeper
2022-04-24 08:52:12 +08:00
committed by GitHub
parent cd7dfee636
commit 98676fbc64
7 changed files with 35 additions and 31 deletions
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20
examples/allocation/tinygo/testdata/greet.go vendored
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@@ -33,19 +33,19 @@ func greeting(name string) string {
return fmt.Sprint("Hello, ", name, "!")
}
// _greet is a WebAssembly export that accepts a string pointer (linear
// memory offset) and calls greet.
// _greet is a WebAssembly export that accepts a string pointer (linear memory
// offset) and calls greet.
//export greet
func _greet(ptr, size uint32) {
name := ptrToString(ptr, size)
greet(name)
}
// _greet is a WebAssembly export that accepts a string pointer (linear
// memory offset) and returns a pointer/size pair packed into a uint64.
// _greet is a WebAssembly export that accepts a string pointer (linear memory
// offset) and returns a pointer/size pair packed into a uint64.
//
// Note: This uses a uint64 instead of two result values for compatibility
// with WebAssembly 1.0.
// Note: This uses a uint64 instead of two result values for compatibility with
// WebAssembly 1.0.
//export greeting
func _greeting(ptr, size uint32) (ptrSize uint64) {
name := ptrToString(ptr, size)
@@ -54,8 +54,8 @@ func _greeting(ptr, size uint32) (ptrSize uint64) {
return (uint64(ptr) << uint64(32)) | uint64(size)
}
// ptrToString returns a string from WebAssembly compatible numeric
// types representing its pointer and length.
// ptrToString returns a string from WebAssembly compatible numeric types
// representing its pointer and length.
func ptrToString(ptr uint32, size uint32) (ret string) {
// Here, we want to get a string represented by the ptr and size. If we
// wanted a []byte, we'd use reflect.SliceHeader instead.
@@ -65,8 +65,8 @@ func ptrToString(ptr uint32, size uint32) (ret string) {
return
}
// stringToPtr returns a pointer and size pair for the given string
// in a way that is compatible with WebAssembly numeric types.
// stringToPtr returns a pointer and size pair for the given string in a way
// compatible with WebAssembly numeric types.
func stringToPtr(s string) (uint32, uint32) {
buf := []byte(s)
ptr := &buf[0]