PatternAction type

A pair of pattern and an action to execute if the pattern matches. Currently, only callable actions are supported (Fun).

Methods

=~(x:Any, pa:PatternAction, mc:MatchContext)experimental Source: stdlib.ngs:1104: Undocumented

init(pa:PatternAction, pattern:Any, action:Any)experimental Source: stdlib.ngs:1094: Undocumented

tr(x:Any, pa:PatternAction, tc:TrContext): Transform x using pa::action of x matches pa::pattern. pa::action will be called with (Any, TrContext). pa::action can either return new data or perform an operation using TrContext. Currently supported operation is skip(TrContext).
Returns
Lit, TrCommand, or TrNoMatch