OptionsPattern

Disponible

Pattern object that matches any sequence of options in function definitions

Formas

OptionsPattern[]

OptionsPattern[f]

OptionsPattern[{opt1 -> val1, opt2 -> val2, …}]

Ejemplos verificadosf[7, {a -> x, b -> y}] /. f[_, OptionsPattern[{}]] :> OptionValue[a] → f[7, {a -> x, b -> y}]

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Temas

New In60 Alphabetical Listing - O
New In60 Core Language - New System for Function Options
Options Management - Setting Up Options for Functions
Package Development - Options Management »
Patterns - Composite Patterns
Robustness And Error Handling - Function Argument Checking

Relacionadas

OptionValue BlankSequence Repeated FilterRules CheckArguments ArgumentsOptions KeyValuePattern Options SetOptions Alternatives Automatic Condition

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