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authorKaz Kylheku <kaz@kylheku.com>2021-01-24 13:10:20 -0800
committerKaz Kylheku <kaz@kylheku.com>2021-01-24 13:10:20 -0800
commit2a6e91240f8ff72cc340b7910cec23eea0533ccd (patch)
tree10cf58c8cdba93c36603eec991b90a38c260fb28 /INSTALL
parent87d89d601fba2dd1acc20e723b922da0e7210f1b (diff)
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matcher: rescind support for @(rcons ...) patterns.
There is no longer any way to write a @(rcons ...) pattern using the range syntax, so there is no point in supporting that operator. The silly syntax @@a..@b which previously worked was actually due to a mistaken requirement in the parser. * share/txr/stdlib/match.tl (compile-range-match): Function moved closer to compile-atom-match, below compile-vec-match. The argument is now a range object containing patterns, so we pull it apart with from and to. (compile-atom-match): Pass range directly to compile-range-match; no need to construct (rcons ...) syntax. * tests/011/patmatch.tl: Add range tests from documentation and a few others. * txr.1: References to @(rcons ...) pattern scrubbed. One wrong #R pattern example corrected.
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