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![Paddy](/assets/img/avatar_default.png)
Switch to using Go modules. This migrates our vendor.json to use Go 1.11's modules system, and replaces the vendor folder with the output of go mod vendor. The vendored code should remain basically the same; I believe some tree shaking of packages and support scripts/licenses/READMEs/etc. happened. This also fixes Travis and our Makefile to no longer use govendor.
75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
package cty
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import (
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"fmt"
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)
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// TypeList instances represent specific list types. Each distinct ElementType
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// creates a distinct, non-equal list type.
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type typeList struct {
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typeImplSigil
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ElementTypeT Type
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}
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// List creates a map type with the given element Type.
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//
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// List types are CollectionType implementations.
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func List(elem Type) Type {
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return Type{
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typeList{
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ElementTypeT: elem,
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},
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}
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}
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// Equals returns true if the other Type is a list whose element type is
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// equal to that of the receiver.
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func (t typeList) Equals(other Type) bool {
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ot, isList := other.typeImpl.(typeList)
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if !isList {
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return false
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}
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return t.ElementTypeT.Equals(ot.ElementTypeT)
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}
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func (t typeList) FriendlyName(mode friendlyTypeNameMode) string {
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elemName := t.ElementTypeT.friendlyNameMode(mode)
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if mode == friendlyTypeConstraintName {
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if t.ElementTypeT == DynamicPseudoType {
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elemName = "any single type"
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}
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}
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return "list of " + elemName
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}
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func (t typeList) ElementType() Type {
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return t.ElementTypeT
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}
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func (t typeList) GoString() string {
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return fmt.Sprintf("cty.List(%#v)", t.ElementTypeT)
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}
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// IsListType returns true if the given type is a list type, regardless of its
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// element type.
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func (t Type) IsListType() bool {
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_, ok := t.typeImpl.(typeList)
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return ok
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}
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// ListElementType is a convenience method that checks if the given type is
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// a list type, returning a pointer to its element type if so and nil
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// otherwise. This is intended to allow convenient conditional branches,
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// like so:
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//
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// if et := t.ListElementType(); et != nil {
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// // Do something with *et
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// }
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func (t Type) ListElementType() *Type {
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if lt, ok := t.typeImpl.(typeList); ok {
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return <.ElementTypeT
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}
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return nil
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}
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