28 lines
653 B
Go
28 lines
653 B
Go
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/*
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Environment
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An environment in this interpreter is what is used to keep track of values by associating them with a name.
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Under the hood, the environment is basically an hash map that associates strings with objects.
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*/
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package object
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type Environment struct {
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store map[string]Object
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}
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func NewEnvironment() *Environment {
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s := make(map[string]Object)
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return &Environment{store: s}
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}
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func (l_environment *Environment) Get(name string) (Object, bool) {
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obj, ok := l_environment.store[name]
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return obj, ok
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}
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func (l_environment *Environment) Set(name string, value Object) Object {
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l_environment.store[name] = value
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return value
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}
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