implicit type conversion

(programming)(Or "coercion") The abilty of some compilersto automatically insert type conversion functions where anexpression of one type is used in a context where another typeis expected.

A common example is coercion of integers to reals so thatan expression like sin(1) is compiled as sin(integerToReal(1))where sin is of type Real -> Real.

A coercion is usually performed automatically by the compilerwhereas a cast is an explicit type conversion inserted bythe programmer.

See also subtype.

单词	implicit type conversion
释义	implicit type conversion implicit type conversion (programming)(Or "coercion") The abilty of some compilersto automatically insert type conversion functions where anexpression of one type is used in a context where another typeis expected. A common example is coercion of integers to reals so thatan expression like sin(1) is compiled as sin(integerToReal(1))where sin is of type Real -> Real. A coercion is usually performed automatically by the compilerwhereas a cast is an explicit type conversion inserted bythe programmer. See also subtype.
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