Konstantin8105/f4go

package fortran

import (
    "fmt"
    "io"
    "os"
    "strings"
)

var (
    Verbose int
    writer  io.Writer = os.Stdout
)

func Debugf(format string, a ...interface{}) {
    if Verbose >= 3 {
        logf(format, a...)
    }
}

func Infof(format string, a ...interface{}) {
    if Verbose >= 2 {
        logf(format, a...)
    }
}

func Logf(format string, a ...interface{}) {
    if Verbose >= 1 {
        logf(format, a...)
    }
}

func Errorf(format string, a ...interface{}) {
    logf(format, a...)
}

// Ensures log prints with newline at end
func logf(format string, a ...interface{}) {
    if strings.HasSuffix(format, "\n") {
        fmt.Fprintf(writer, format, a...)
    } else {
        fmt.Fprintf(writer, format+"\n", a...)
    }
}