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Diffstat (limited to 'vendor/github.com/kr/pretty/pretty.go')
-rw-r--r-- | vendor/github.com/kr/pretty/pretty.go | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/vendor/github.com/kr/pretty/pretty.go b/vendor/github.com/kr/pretty/pretty.go new file mode 100644 index 000000000..b4ca583c0 --- /dev/null +++ b/vendor/github.com/kr/pretty/pretty.go @@ -0,0 +1,108 @@ +// Package pretty provides pretty-printing for Go values. This is +// useful during debugging, to avoid wrapping long output lines in +// the terminal. +// +// It provides a function, Formatter, that can be used with any +// function that accepts a format string. It also provides +// convenience wrappers for functions in packages fmt and log. +package pretty + +import ( + "fmt" + "io" + "log" + "reflect" +) + +// Errorf is a convenience wrapper for fmt.Errorf. +// +// Calling Errorf(f, x, y) is equivalent to +// fmt.Errorf(f, Formatter(x), Formatter(y)). +func Errorf(format string, a ...interface{}) error { + return fmt.Errorf(format, wrap(a, false)...) +} + +// Fprintf is a convenience wrapper for fmt.Fprintf. +// +// Calling Fprintf(w, f, x, y) is equivalent to +// fmt.Fprintf(w, f, Formatter(x), Formatter(y)). +func Fprintf(w io.Writer, format string, a ...interface{}) (n int, error error) { + return fmt.Fprintf(w, format, wrap(a, false)...) +} + +// Log is a convenience wrapper for log.Printf. +// +// Calling Log(x, y) is equivalent to +// log.Print(Formatter(x), Formatter(y)), but each operand is +// formatted with "%# v". +func Log(a ...interface{}) { + log.Print(wrap(a, true)...) +} + +// Logf is a convenience wrapper for log.Printf. +// +// Calling Logf(f, x, y) is equivalent to +// log.Printf(f, Formatter(x), Formatter(y)). +func Logf(format string, a ...interface{}) { + log.Printf(format, wrap(a, false)...) +} + +// Logln is a convenience wrapper for log.Printf. +// +// Calling Logln(x, y) is equivalent to +// log.Println(Formatter(x), Formatter(y)), but each operand is +// formatted with "%# v". +func Logln(a ...interface{}) { + log.Println(wrap(a, true)...) +} + +// Print pretty-prints its operands and writes to standard output. +// +// Calling Print(x, y) is equivalent to +// fmt.Print(Formatter(x), Formatter(y)), but each operand is +// formatted with "%# v". +func Print(a ...interface{}) (n int, errno error) { + return fmt.Print(wrap(a, true)...) +} + +// Printf is a convenience wrapper for fmt.Printf. +// +// Calling Printf(f, x, y) is equivalent to +// fmt.Printf(f, Formatter(x), Formatter(y)). +func Printf(format string, a ...interface{}) (n int, errno error) { + return fmt.Printf(format, wrap(a, false)...) +} + +// Println pretty-prints its operands and writes to standard output. +// +// Calling Println(x, y) is equivalent to +// fmt.Println(Formatter(x), Formatter(y)), but each operand is +// formatted with "%# v". +func Println(a ...interface{}) (n int, errno error) { + return fmt.Println(wrap(a, true)...) +} + +// Sprint is a convenience wrapper for fmt.Sprintf. +// +// Calling Sprint(x, y) is equivalent to +// fmt.Sprint(Formatter(x), Formatter(y)), but each operand is +// formatted with "%# v". +func Sprint(a ...interface{}) string { + return fmt.Sprint(wrap(a, true)...) +} + +// Sprintf is a convenience wrapper for fmt.Sprintf. +// +// Calling Sprintf(f, x, y) is equivalent to +// fmt.Sprintf(f, Formatter(x), Formatter(y)). +func Sprintf(format string, a ...interface{}) string { + return fmt.Sprintf(format, wrap(a, false)...) +} + +func wrap(a []interface{}, force bool) []interface{} { + w := make([]interface{}, len(a)) + for i, x := range a { + w[i] = formatter{v: reflect.ValueOf(x), force: force} + } + return w +} |