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deferred execution

A query that waits to run until you actually loop over its results.

A deferred LINQ operator returns a query object that does no work until it is enumerated, and re-runs against the current source every time it is enumerated.

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Examples

  • var cheap = prices.Where(p => p < 5); does no work yet; the filter runs each time you loop over cheap.

See also

immediate execution iterator closure
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