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package format
import (
"io"
"os"
"sync"
)
// pool is the global printer buffer pool.
var pool = sync.Pool{
New: func() interface{} {
return &Buffer{}
},
}
// getBuf fetches a buffer from pool.
func getBuf() *Buffer {
return pool.Get().(*Buffer)
}
// putBuf places a Buffer back in pool.
func putBuf(buf *Buffer) {
if buf.Cap() > 64<<10 {
return // drop large
}
buf.Reset()
pool.Put(buf)
}
// Sprint will format supplied values, returning this string.
func Sprint(v ...interface{}) string {
buf := Buffer{}
Append(&buf, v...)
return buf.String()
}
// Sprintf will format supplied format string and args, returning this string.
// See Formatter.Appendf() for more documentation.
func Sprintf(s string, a ...interface{}) string {
buf := Buffer{}
Appendf(&buf, s, a...)
return buf.String()
}
// Print will format supplied values, print this to os.Stdout.
func Print(v ...interface{}) {
Fprint(os.Stdout, v...) //nolint
}
// Printf will format supplied format string and args, printing this to os.Stdout.
// See Formatter.Appendf() for more documentation.
func Printf(s string, a ...interface{}) {
Fprintf(os.Stdout, s, a...) //nolint
}
// Println will format supplied values, append a trailing newline and print this to os.Stdout.
func Println(v ...interface{}) {
Fprintln(os.Stdout, v...) //nolint
}
// Fprint will format supplied values, writing this to an io.Writer.
func Fprint(w io.Writer, v ...interface{}) (int, error) {
buf := getBuf()
Append(buf, v...)
n, err := w.Write(buf.B)
putBuf(buf)
return n, err
}
// Fprintf will format supplied format string and args, writing this to an io.Writer.
// See Formatter.Appendf() for more documentation.
func Fprintf(w io.Writer, s string, a ...interface{}) (int, error) {
buf := getBuf()
Appendf(buf, s, a...)
n, err := w.Write(buf.B)
putBuf(buf)
return n, err
}
// Println will format supplied values, append a trailing newline and writer this to an io.Writer.
func Fprintln(w io.Writer, v ...interface{}) (int, error) {
buf := getBuf()
Append(buf, v...)
buf.AppendByte('\n')
n, err := w.Write(buf.B)
putBuf(buf)
return n, err
}
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