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< > BotCompany Repo | #1024376 // rWatcher - wrap a Runnable & only run it if a value has changed. executes the first time

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (1642L/11K).

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static <A> Runnable rWatcher(IF0<A> calc, Runnable r) {
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  ret new Runnable {
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    A value;
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    run {
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      A newValue = callF(calc);
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      if (neq(value, newValue)) {
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        value = newValue;
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        callF(r);
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      }
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    }
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  };
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}

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Snippet ID: #1024376
Snippet name: rWatcher - wrap a Runnable & only run it if a value has changed. executes the first time
Eternal ID of this version: #1024376/4
Text MD5: 6575c648a629d6464505991ae4358d02
Transpilation MD5: 96b299cafc87d94bd6a4a271c16546e7
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2019-08-08 14:28:08
Source code size: 247 bytes / 13 lines
Pitched / IR pitched: No / No
Views / Downloads: 179 / 237
Version history: 3 change(s)
Referenced in: [show references]