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Added ternary unless.

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Bruce Hill 2017-10-05 15:20:20 -07:00
parent 4ae64ef9e3
commit b11d0752db
1 changed files with 8 additions and 3 deletions
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11
lib/operators.nom
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@ -12,14 +12,19 @@ compile [phi, PHI, golden ratio] to: "((1+math.sqrt(5))/2)"
compile [nop, pass] to code: ""
# Ternary operator
compile [%if_expr if %condition else %else_expr] to: ".."
compile [..]
%when_true_expr if %condition else %when_false_expr
%when_true_expr if %condition otherwise %when_false_expr
%when_false_expr unless %condition else %when_true_expr
%when_false_expr unless %condition then %when_true_expr
..to: ".."
#.. Note: this uses a function instead of (condition and if_expr or else_expr)
because that breaks if %if_expr is falsey.
|(function(nomsu, vars)
| if \(%condition as lua) then;
| return \(%if_expr as lua);
| return \(%when_true_expr as lua);
| else;
| return \(%else_expr as lua);
| return \(%when_false_expr as lua);
| end;
|end)(nomsu, vars)