38 lines
1.4 KiB
Go
38 lines
1.4 KiB
Go
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package addrs
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// Module is an address for a module call within configuration. This is
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// the static counterpart of ModuleInstance, representing a traversal through
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// the static module call tree in configuration and does not take into account
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// the potentially-multiple instances of a module that might be created by
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// "count" and "for_each" arguments within those calls.
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//
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// This type should be used only in very specialized cases when working with
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// the static module call tree. Type ModuleInstance is appropriate in more cases.
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//
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// Although Module is a slice, it should be treated as immutable after creation.
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type Module []string
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// RootModule is the module address representing the root of the static module
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// call tree, which is also the zero value of Module.
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//
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// Note that this is not the root of the dynamic module tree, which is instead
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// represented by RootModuleInstance.
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var RootModule Module
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// Child returns the address of a child call in the receiver, identified by the
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// given name.
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func (m Module) Child(name string) Module {
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ret := make(Module, 0, len(m)+1)
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ret = append(ret, m...)
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return append(ret, name)
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}
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// Parent returns the address of the parent module of the receiver, or the
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// receiver itself if there is no parent (if it's the root module address).
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func (m Module) Parent() Module {
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if len(m) == 0 {
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return m
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}
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return m[:len(m)-1]
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}
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