active-pattern
Active patterns and member constraint
For an inline function one could create a constraint like: let inline implicit arg = ( ^a : (static member op_Implicit : ^b -> ^a) arg)[详细]
2023-04-02 20:05 分类：问答Use of typeof<_> in active pattern
Given the following contrived active pattern: let (|TypeDef|_|) (typeDef:Type) (value:obj) = if obj.ReferenceEquals(value, null) then 开发者_StackOverflow社区None[详细]
2023-03-21 20:40 分类：问答How can I pass complex expression to parametrized active pattern?
I defined the active pattern \"Expression\" as follows: let (|Expression|_|) expression _ = Some(expression)[详细]
2023-03-08 21:59 分类：问答How to pattern-match when something is NOT of a particular type
We\'re all used to pattern-matching for cases when something is a particular type, e.g., match x with Y(x) :: tail -> ... // assumes List.head(x) is of type Y(x)[详细]
2023-02-12 21:01 分类：问答F# Active Pattern List.filter or equivalent
I have a records of types type tradeLeg = { id : int ; tradeId : int ; legActivity : LegActivityType ; actedOn : DateTime ;[详细]
2022-12-27 05:33 分类：问答F# match active pattern as expanded tuple
I get the following error in diff with a red squiggle under Subset. Type mismatch. Expecting a Range -> Choice but given a Range * Range -> Choice[详细]
2022-12-13 06:38 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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