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Definite assignment analysis
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<p>In <a href="/facts/Computer_science/lN3pEyPz">computer science</a>, definite assignment analysis is a <a href="/facts/Data-flow_analysis/jz2oI6sX">data-flow analysis</a> used by <a href="/facts/Compiler/WNfCDFJe">compilers</a> to conservatively ensure that a variable or location is always assigned before it is used. </p>