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In programming language theory, lazy evaluation, or call-by-need, is an evaluation strategy which delays the evaluation of an expression until its value is needed (non-strict evaluation) and which avoids repeated evaluations (by the use of sharing).
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| exception handling | instance of | and another entry is added to the lookup table for reuse.Lazy evaluation is difficult to combine with imperative features | 0.80 | text |
| input/output | instance of | and another entry is added to the lookup table for reuse.Lazy evaluation is difficult to combine with imperative features | 0.80 | text |
| because the order of operations becomes indeterminate.The opposite of lazy evaluation is eager evaluation | instance of | and another entry is added to the lookup table for reuse.Lazy evaluation is difficult to combine with imperative features | 0.80 | text |
| sometimes known as strict evaluation | instance of | and another entry is added to the lookup table for reuse.Lazy evaluation is difficult to combine with imperative features | 0.80 | text |
| Apache Spark | instance of | though eventually the rapidly growing tree of dependencies would be pruned to produce some symbol rather than another for the outside world to see.Lazy evaluation is fundamental… | 0.80 | text |
| where computations on distributed datasets are delayed until results are explicitly needed | instance of | though eventually the rapidly growing tree of dependencies would be pruned to produce some symbol rather than another for the outside world to see.Lazy evaluation is fundamental… | 0.80 | text |
| allowing for execution optimizations | instance of | though eventually the rapidly growing tree of dependencies would be pruned to produce some symbol rather than another for the outside world to see.Lazy evaluation is fundamental… | 0.80 | text |
| reduction of unnecessary processing.Control structures.mw-parser-output .ambox | instance of | though eventually the rapidly growing tree of dependencies would be pruned to produce some symbol rather than another for the outside world to see.Lazy evaluation is fundamental… | 0.80 | text |
| Haskell | instance of | Laziness and eagernessControlling eagerness in lazy languagesIn lazy programming languages | 0.80 | text |
| although the default is to evaluate expressions only when they are demanded | instance of | Laziness and eagernessControlling eagerness in lazy languagesIn lazy programming languages | 0.80 | text |
| it is possible in some cases to make code more eager | instance of | Laziness and eagernessControlling eagerness in lazy languagesIn lazy programming languages | 0.80 | text |
| Haskell | instance of | Controlling eagerness in lazy languagesIn lazy programming languages | 0.80 | text |
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