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Jeremy Wall
890387b4cc
This is a breaking change for the map, filter, and reduce expressions but happily a forward compatible change for macros themselves.
17 lines
308 B
Plaintext
17 lines
308 B
Plaintext
let maybe = module{
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val = NULL,
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} => {
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let do = macro(op) => select (mod.val != NULL), NULL, {
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true = op(mod.val),
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};
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};
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let if = module{
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test = false,
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} => {
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let do = macro(op, arg) => select mod.test, arg, {
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true = op(arg),
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};
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};
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let identity = macro(arg) => arg; |