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https://github.com/kemko/nomad.git
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15fb4c990a
This PR switches the Nomad repository from using govendor to Go modules for managing dependencies. Aspects of the Nomad workflow remain pretty much the same. The usual Makefile targets should continue to work as they always did. The API submodule simply defers to the parent Nomad version on the repository, keeping the semantics of API versioning that currently exists.
109 lines
3.1 KiB
Go
109 lines
3.1 KiB
Go
// Package pretty provides pretty-printing for Go values. This is
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// useful during debugging, to avoid wrapping long output lines in
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// the terminal.
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//
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// It provides a function, Formatter, that can be used with any
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// function that accepts a format string. It also provides
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// convenience wrappers for functions in packages fmt and log.
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package pretty
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import (
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"fmt"
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"io"
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"log"
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"reflect"
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)
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// Errorf is a convenience wrapper for fmt.Errorf.
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//
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// Calling Errorf(f, x, y) is equivalent to
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// fmt.Errorf(f, Formatter(x), Formatter(y)).
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func Errorf(format string, a ...interface{}) error {
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return fmt.Errorf(format, wrap(a, false)...)
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}
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// Fprintf is a convenience wrapper for fmt.Fprintf.
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//
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// Calling Fprintf(w, f, x, y) is equivalent to
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// fmt.Fprintf(w, f, Formatter(x), Formatter(y)).
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func Fprintf(w io.Writer, format string, a ...interface{}) (n int, error error) {
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return fmt.Fprintf(w, format, wrap(a, false)...)
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}
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// Log is a convenience wrapper for log.Printf.
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//
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// Calling Log(x, y) is equivalent to
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// log.Print(Formatter(x), Formatter(y)), but each operand is
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// formatted with "%# v".
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func Log(a ...interface{}) {
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log.Print(wrap(a, true)...)
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}
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// Logf is a convenience wrapper for log.Printf.
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//
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// Calling Logf(f, x, y) is equivalent to
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// log.Printf(f, Formatter(x), Formatter(y)).
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func Logf(format string, a ...interface{}) {
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log.Printf(format, wrap(a, false)...)
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}
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// Logln is a convenience wrapper for log.Printf.
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//
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// Calling Logln(x, y) is equivalent to
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// log.Println(Formatter(x), Formatter(y)), but each operand is
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// formatted with "%# v".
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func Logln(a ...interface{}) {
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log.Println(wrap(a, true)...)
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}
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// Print pretty-prints its operands and writes to standard output.
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//
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// Calling Print(x, y) is equivalent to
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// fmt.Print(Formatter(x), Formatter(y)), but each operand is
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// formatted with "%# v".
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func Print(a ...interface{}) (n int, errno error) {
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return fmt.Print(wrap(a, true)...)
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}
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// Printf is a convenience wrapper for fmt.Printf.
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//
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// Calling Printf(f, x, y) is equivalent to
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// fmt.Printf(f, Formatter(x), Formatter(y)).
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func Printf(format string, a ...interface{}) (n int, errno error) {
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return fmt.Printf(format, wrap(a, false)...)
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}
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// Println pretty-prints its operands and writes to standard output.
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//
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// Calling Println(x, y) is equivalent to
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// fmt.Println(Formatter(x), Formatter(y)), but each operand is
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// formatted with "%# v".
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func Println(a ...interface{}) (n int, errno error) {
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return fmt.Println(wrap(a, true)...)
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}
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// Sprint is a convenience wrapper for fmt.Sprintf.
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//
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// Calling Sprint(x, y) is equivalent to
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// fmt.Sprint(Formatter(x), Formatter(y)), but each operand is
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// formatted with "%# v".
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func Sprint(a ...interface{}) string {
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return fmt.Sprint(wrap(a, true)...)
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}
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// Sprintf is a convenience wrapper for fmt.Sprintf.
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//
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// Calling Sprintf(f, x, y) is equivalent to
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// fmt.Sprintf(f, Formatter(x), Formatter(y)).
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func Sprintf(format string, a ...interface{}) string {
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return fmt.Sprintf(format, wrap(a, false)...)
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}
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func wrap(a []interface{}, force bool) []interface{} {
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w := make([]interface{}, len(a))
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for i, x := range a {
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w[i] = formatter{v: reflect.ValueOf(x), force: force}
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}
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return w
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}
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