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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type Printer ¶
type Printer interface {
// P writes the arguments and a newline with the current indent.
//
// Spaces are stripped from the end of the line, and only a newline is printed
// if the args result in only spaces or no value.
P(args ...interface{})
// In indents.
In()
// Out unindents.
Out()
}
Printer is a printer.
func NewPrinter ¶
func NewPrinter(writer io.Writer, options ...PrinterOption) Printer
NewPrinter returns a new Printer.
type PrinterOption ¶
type PrinterOption func(*printer)
PrinterOption is an option for a printer.
func PrinterWithErrorRecorder ¶
func PrinterWithErrorRecorder(errorRecorder func(error)) PrinterOption
PrinterWithErrorRecorder returns a new PrinterOption that records errors.
The default is to drop errors.
func PrinterWithIndent ¶
func PrinterWithIndent(indent string) PrinterOption
PrinterWithIndent returns a new PrinterOption that uses the given indent.
The default is two spaces.
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