Optional parameters: Difference between revisions
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Drkameleon (talk | contribs) |
m (→{{header|Wren}}: Sort.reverse is now Lst.reverse.) |
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=={{header|Wren}}== |
=={{header|Wren}}== |
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{{libheader|Wren-sort}} |
{{libheader|Wren-sort}} |
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{{libheader|Wren-seq}} |
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Wren doesn't support optional parameters as such but does support method overloading by ''arity'' (i.e. number of parameters) which makes it easy to simulate them. |
Wren doesn't support optional parameters as such but does support method overloading by ''arity'' (i.e. number of parameters) which makes it easy to simulate them. |
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<lang ecmascript>import "/sort" for Cmp, Sort |
<lang ecmascript>import "./sort" for Cmp, Sort |
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import "./seq" for Lst |
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class TableSorter { |
class TableSorter { |
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if (ordering == null) ordering = Fn.new { |r1, r2| Cmp.string.call(r1[column], r2[column]) } |
if (ordering == null) ordering = Fn.new { |r1, r2| Cmp.string.call(r1[column], r2[column]) } |
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var sorted = Sort.merge(table, ordering) |
var sorted = Sort.merge(table, ordering) |
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if (reverse) |
if (reverse) Lst.reverse(sorted) |
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return sorted |
return sorted |
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} |
} |
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