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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/go/format/example_test.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-upstream.tar.xz golang-1.20-upstream.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/go/format/example_test.go')
-rw-r--r-- | src/go/format/example_test.go | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/go/format/example_test.go b/src/go/format/example_test.go new file mode 100644 index 0000000..5b6789a --- /dev/null +++ b/src/go/format/example_test.go @@ -0,0 +1,39 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package format_test + +import ( + "bytes" + "fmt" + "go/format" + "go/parser" + "go/token" + "log" +) + +func ExampleNode() { + const expr = "(6+2*3)/4" + + // parser.ParseExpr parses the argument and returns the + // corresponding ast.Node. + node, err := parser.ParseExpr(expr) + if err != nil { + log.Fatal(err) + } + + // Create a FileSet for node. Since the node does not come + // from a real source file, fset will be empty. + fset := token.NewFileSet() + + var buf bytes.Buffer + err = format.Node(&buf, fset, node) + if err != nil { + log.Fatal(err) + } + + fmt.Println(buf.String()) + + // Output: (6 + 2*3) / 4 +} |