36 lines
766 B
Go
36 lines
766 B
Go
package types
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// Is returns true if the encountered type `a` can be converted into the expected type `b`.
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func Is(a Type, b Type) bool {
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if a == b || b == Any || a == nil {
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return true
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}
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aPointer, aIsPointer := a.(*Pointer)
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bPointer, bIsPointer := b.(*Pointer)
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if aIsPointer && bIsPointer && (bPointer.To == Any || aPointer.To == bPointer.To) {
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return true
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}
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aArray, aIsArray := a.(*Array)
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if aIsArray && bIsPointer && (bPointer.To == Any || aArray.Of == bPointer.To) {
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return true
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}
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bArray, bIsArray := b.(*Array)
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if aIsArray && bIsArray && (bArray.Of == Any || aArray.Of == bArray.Of) {
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return true
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}
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if a == AnyInt {
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switch b {
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case Int64, Int32, Int16, Int8, UInt64, UInt32, UInt16, UInt8:
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return true
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}
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}
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return false
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}
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