mirror of https://github.com/golang/go.git
52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package big_test
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import (
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"cmd/compile/internal/big"
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"fmt"
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"log"
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)
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func ExampleRat_SetString() {
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r := new(big.Rat)
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r.SetString("355/113")
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fmt.Println(r.FloatString(3))
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// Output: 3.142
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}
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func ExampleInt_SetString() {
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i := new(big.Int)
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i.SetString("644", 8) // octal
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fmt.Println(i)
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// Output: 420
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}
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func ExampleRat_Scan() {
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// The Scan function is rarely used directly;
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// the fmt package recognizes it as an implementation of fmt.Scanner.
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r := new(big.Rat)
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_, err := fmt.Sscan("1.5000", r)
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if err != nil {
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log.Println("error scanning value:", err)
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} else {
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fmt.Println(r)
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}
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// Output: 3/2
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}
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func ExampleInt_Scan() {
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// The Scan function is rarely used directly;
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// the fmt package recognizes it as an implementation of fmt.Scanner.
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i := new(big.Int)
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_, err := fmt.Sscan("18446744073709551617", i)
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if err != nil {
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log.Println("error scanning value:", err)
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} else {
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fmt.Println(i)
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}
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// Output: 18446744073709551617
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}
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