/* * Copyright (c) 2013 Dave Collins <dave@davec.name> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ package spew import ( "fmt" "io" ) // Errorf is a wrapper for fmt.Errorf that treats each argument as if it were // passed with a default Formatter interface returned by NewFormatter. It // returns the formatted string as a value that satisfies error. See // NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Errorf(format, spew.NewFormatter(a), spew.NewFormatter(b)) func Errorf(format string, a ...interface{}) (err error) { return fmt.Errorf(format, convertArgs(a)...) } // Fprint is a wrapper for fmt.Fprint that treats each argument as if it were // passed with a default Formatter interface returned by NewFormatter. It // returns the number of bytes written and any write error encountered. See // NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Fprint(w, spew.NewFormatter(a), spew.NewFormatter(b)) func Fprint(w io.Writer, a ...interface{}) (n int, err error) { return fmt.Fprint(w, convertArgs(a)...) } // Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were // passed with a default Formatter interface returned by NewFormatter. It // returns the number of bytes written and any write error encountered. See // NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Fprintf(w, format, spew.NewFormatter(a), spew.NewFormatter(b)) func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) { return fmt.Fprintf(w, format, convertArgs(a)...) } // Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it // passed with a default Formatter interface returned by NewFormatter. See // NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Fprintln(w, spew.NewFormatter(a), spew.NewFormatter(b)) func Fprintln(w io.Writer, a ...interface{}) (n int, err error) { return fmt.Fprintln(w, convertArgs(a)...) } // Print is a wrapper for fmt.Print that treats each argument as if it were // passed with a default Formatter interface returned by NewFormatter. It // returns the number of bytes written and any write error encountered. See // NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Print(spew.NewFormatter(a), spew.NewFormatter(b)) func Print(a ...interface{}) (n int, err error) { return fmt.Print(convertArgs(a)...) } // Printf is a wrapper for fmt.Printf that treats each argument as if it were // passed with a default Formatter interface returned by NewFormatter. It // returns the number of bytes written and any write error encountered. See // NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Printf(format, spew.NewFormatter(a), spew.NewFormatter(b)) func Printf(format string, a ...interface{}) (n int, err error) { return fmt.Printf(format, convertArgs(a)...) } // Println is a wrapper for fmt.Println that treats each argument as if it were // passed with a default Formatter interface returned by NewFormatter. It // returns the number of bytes written and any write error encountered. See // NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Println(spew.NewFormatter(a), spew.NewFormatter(b)) func Println(a ...interface{}) (n int, err error) { return fmt.Println(convertArgs(a)...) } // Sprint is a wrapper for fmt.Sprint that treats each argument as if it were // passed with a default Formatter interface returned by NewFormatter. It // returns the resulting string. See NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Sprint(spew.NewFormatter(a), spew.NewFormatter(b)) func Sprint(a ...interface{}) string { return fmt.Sprint(convertArgs(a)...) } // Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were // passed with a default Formatter interface returned by NewFormatter. It // returns the resulting string. See NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Sprintf(format, spew.NewFormatter(a), spew.NewFormatter(b)) func Sprintf(format string, a ...interface{}) string { return fmt.Sprintf(format, convertArgs(a)...) } // Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it // were passed with a default Formatter interface returned by NewFormatter. It // returns the resulting string. See NewFormatter for formatting details. // // This function is shorthand for the following syntax: // // fmt.Sprintln(spew.NewFormatter(a), spew.NewFormatter(b)) func Sprintln(a ...interface{}) string { return fmt.Sprintln(convertArgs(a)...) } // convertArgs accepts a slice of arguments and returns a slice of the same // length with each argument converted to a default spew Formatter interface. func convertArgs(args []interface{}) (formatters []interface{}) { formatters = make([]interface{}, len(args)) for index, arg := range args { formatters[index] = NewFormatter(arg) } return formatters }