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annotate modules/option.tp @ 344:7de6ac24eb64

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author Michael Pavone <pavone@retrodev.com>
date Wed, 08 Apr 2015 19:29:22 -0700
parents 1458c069c715
children fd4e0bf5bd9f
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d83647152485 Added option module which was omitted in commit of SDL work
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1 {
d83647152485 Added option module which was omitted in commit of SDL work
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2 _none <- #{
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3 value:none <- :ifval :ifnone {
d83647152485 Added option module which was omitted in commit of SDL work
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4 ifnone:
d83647152485 Added option module which was omitted in commit of SDL work
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5 }
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1458c069c715 Added "value" method to option value and option none. It behaves similarly to value:none, except the none case just propagates the none value and the value case wraps the result in an option value
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6 value <- :ifval { self }
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38ca63e0a62e Added value? and none? methods to option value and option none
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7 value? <- { false }
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8 none? <- { true }
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9 }
d83647152485 Added option module which was omitted in commit of SDL work
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10 #{
d83647152485 Added option module which was omitted in commit of SDL work
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11 value <- :v {
d83647152485 Added option module which was omitted in commit of SDL work
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12 #{
d83647152485 Added option module which was omitted in commit of SDL work
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13 value:none <- :ifval :ifnone {
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14 ifval: v
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15 }
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1458c069c715 Added "value" method to option value and option none. It behaves similarly to value:none, except the none case just propagates the none value and the value case wraps the result in an option value
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parents: 290
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16 value <- :ifval {
1458c069c715 Added "value" method to option value and option none. It behaves similarly to value:none, except the none case just propagates the none value and the value case wraps the result in an option value
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parents: 290
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17 option value: (ifval: )
1458c069c715 Added "value" method to option value and option none. It behaves similarly to value:none, except the none case just propagates the none value and the value case wraps the result in an option value
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18 }
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19 value? <- { true }
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20 none? <- { false }
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21 }
d83647152485 Added option module which was omitted in commit of SDL work
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22 }
d83647152485 Added option module which was omitted in commit of SDL work
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23 none <- { _none }
d83647152485 Added option module which was omitted in commit of SDL work
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24 }
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25 }