template

package
v1.13.1-rc2 Latest Latest
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 Go to latest Published: Feb 6, 2017 License: Apache-2.0 Imports: 3 Imported by: 0

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Types

type InvalidTemplateError 

type InvalidTemplateError struct {
	Template string
}

InvalidTemplateError is returned when a variable template is not in a valid format

func Substitute 

func Substitute(template string, mapping Mapping) (result string, err *InvalidTemplateError)

Substitute variables in the string with their values

func (InvalidTemplateError) Error 

func (e InvalidTemplateError) Error() string

type Mapping 

type Mapping func(string) (string, bool)

Mapping is a user-supplied function which maps from variable names to values. Returns the value as a string and a bool indicating whether the value is present, to distinguish between an empty string and the absence of a value.

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