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basicmag/010_float4.go

Created August 13, 2023 22:12
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  1. basicmag created this gist Aug 13, 2023.
    30 changes: 30 additions & 0 deletions 010_float4.go
    View file
    Original file line number Diff line number Diff line change
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    // Go言語 必読本 Essential Go
    // https://www.amazon.co.jp/dp/B0CF53VMYB
    //
    // Go言語： Sscanfを使って文字列をfloatに変換する

    package main

    import (
    "fmt"
    "log"
    )

    func main() {
    s := "1.2341"
    var f float64
    _, err := fmt.Sscanf(s, "%f", &f)
    if err != nil {
    log.Fatalf("fmt.Sscanf failed with '%s'\n", err)
    }
    fmt.Printf("f: %f\n", f)
    }

    // Go言語 必読本 Essential Go
    // https://www.amazon.co.jp/dp/B0CF53VMYB
    //
    // Essential Go
    // https://www.programming-books.io/essential/go/
    // By Krzysztof Kowalczyk
    //
    // Content is licensed under Creative Commons Attribution-ShareAlike 3.0