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27 lines
841 B
Markdown
27 lines
841 B
Markdown
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---
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title: collections.Apply
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description: Returns a new collection with each element transformed by the given function.
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categories: []
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keywords: []
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action:
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aliases: [apply]
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related: []
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returnType: '[]any'
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signatures: [collections.Apply COLLECTION FUNCTION PARAM...]
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aliases: [/functions/apply]
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---
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The `apply` function takes three or more arguments, depending on the function being applied to the collection elements.
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The first argument is the collection itself, the second argument is the function name, and the remaining arguments are passed to the function, with the string `"."` representing the collection element.
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```go-html-template
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{{ $s := slice "hello" "world" }}
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{{ $s = apply $s "strings.FirstUpper" "." }}
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{{ $s }} → [Hello World]
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{{ $s = apply $s "strings.Replace" "." "l" "_" }}
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{{ $s }} → [He__o Wor_d]
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```
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