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52 lines
1.2 KiB
Plaintext
52 lines
1.2 KiB
Plaintext
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///////////
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# closure #
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///////////
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## value operations ##
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~> kind-of { }
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▶ fn
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~> eq { } { }
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▶ $false
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~> var x = { }; put [&$x= foo][$x]
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▶ foo
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## arity check ##
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~> {|x| } a b
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Exception: arity mismatch: arguments must be 1 value, but is 2 values
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[tty]:1:1-10: {|x| } a b
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~> {|x y| } a
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Exception: arity mismatch: arguments must be 2 values, but is 1 value
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[tty]:1:1-10: {|x y| } a
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~> {|x y @rest| } a
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Exception: arity mismatch: arguments must be 2 or more values, but is 1 value
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[tty]:1:1-16: {|x y @rest| } a
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## unsupported option ##
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~> {|&valid=1| } &bad=1
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Exception: unsupported option: bad
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[tty]:1:1-20: {|&valid=1| } &bad=1
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~> {|&valid1=1 &valid2=2| } &bad1=1 &bad2=2
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Exception: unsupported options: bad1, bad2
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[tty]:1:1-40: {|&valid1=1 &valid2=2| } &bad1=1 &bad2=2
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## introspection ##
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~> put {|a b| }[arg-names]
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▶ [a b]
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~> put {|@r| }[rest-arg]
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▶ 0
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~> put {|&opt=def| }[opt-names]
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▶ [opt]
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~> put {|&opt=def| }[opt-defaults]
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▶ [def]
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~> put { body }[body]
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▶ 'body '
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~> put {|x @y| body }[def]
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▶ '{|x @y| body }'
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~> put { body }[src][code]
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▶ 'put { body }[src][code]'
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## body of fn-defined function ##
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// Regression test for https://b.elv.sh/1126.
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~> fn f { body }; put $f~[body]
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▶ 'body '
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