81 lines
1.1 KiB
TypeScript
81 lines
1.1 KiB
TypeScript
// @declaration: true
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// An enum type where each member has no initializer or an initializer that specififes
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// a numeric literal, a string literal, or a single identifier naming another member in
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// the enum type is classified as a literal enum type. An enum type that doesn't adhere
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// to this pattern is classified as a numeric enum type.
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// Examples of literal enum types
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enum E01 {
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A
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}
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enum E02 {
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A = 123
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}
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enum E03 {
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A = "hello"
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}
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enum E04 {
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A,
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B,
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C
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}
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enum E05 {
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A,
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B = 10,
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C
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}
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enum E06 {
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A = "one",
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B = "two",
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C = "three"
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}
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enum E07 {
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A,
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B,
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C = "hi",
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D = 10,
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E,
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F = "bye"
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}
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enum E08 {
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A = 10,
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B = "hello",
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C = A,
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D = B,
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E = C,
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}
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// Examples of numeric enum types with only constant members
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enum E10 {}
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enum E11 {
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A = +0,
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B,
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C
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}
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enum E12 {
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A = 1 << 0,
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B = 1 << 1,
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C = 1 << 2
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}
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// Examples of numeric enum types with constant and computed members
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enum E20 {
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A = "foo".length,
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B = A + 1,
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C = +"123",
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D = Math.sin(1)
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}
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