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