40 lines
750 B
Plaintext
40 lines
750 B
Plaintext
Trailing closure syntax can only be used with the last argument to a function call. Place a function type parameter anywhere else in the list and you limit the options of the caller.
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== Noncompliant Code Example
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----
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func foo(p1: Int->Int, p2: Int){ // Noncompliant; p1 should come at the end
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print(p1(p2))
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}
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foo({a in a * 2}, 42) // Trailing closure syntax can't be used here
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----
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== Compliant Solution
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----
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func foo(p2: Int, p1: Int->Int){
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print(p1(p2))
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}
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foo(42) {a in a * 2}
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----
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ifdef::env-github,rspecator-view[]
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'''
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== Implementation Specification
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(visible only on this page)
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include::message.adoc[]
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'''
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== Comments And Links
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(visible only on this page)
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include::comments-and-links.adoc[]
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endif::env-github,rspecator-view[]
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