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30 lines
564 B
Text
30 lines
564 B
Text
mut s := 'hello world'
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s.len = 0 // Error (field len immutable)
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mut a := []string
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a.len = 0 // Error (field len immutable)
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mut ints := []int
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ints.len = 0 // Error (field len immutable)
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println('BYE')
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===output===
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cannot modify immutable field `len` (type `string`)
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declare the field with `mut:`
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struct string {
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mut:
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len int
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}
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cannot modify immutable field `len` (type `array`)
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declare the field with `mut:`
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struct array {
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mut:
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len int
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}
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cannot modify immutable field `len` (type `array`)
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declare the field with `mut:`
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struct array {
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mut:
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len int
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}
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BYE
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