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25 lines
474 B
Go
25 lines
474 B
Go
package eval
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import "os"
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// PwdVariable is a variable whose value always reflects the current working
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// directory. Setting it changes the current working directory.
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type PwdVariable struct{}
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var _ Variable = PwdVariable{}
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func (PwdVariable) Get() Value {
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pwd, err := os.Getwd()
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maybeThrow(err)
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return String(pwd)
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}
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func (PwdVariable) Set(v Value) {
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path, ok := v.(String)
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if !ok {
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throw(ErrPathMustBeString)
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}
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err := os.Chdir(string(path))
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maybeThrow(err)
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}
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