onlyOneExists

Check if a type matching a criteria exists and only one

package

template onlyOneExists (

alias Criteria

T...

) {

alias Found = Filter!(Criteria, T);

static if(Found.length == 1)

enum onlyOneExists;

static if(!(Found.length == 1))

enum onlyOneExists;

}

Members

Aliases

Found alias Found = Filter!(Criteria, T): Undocumented in source.

Manifest constants

onlyOneExists enum onlyOneExists;: Undocumented in source.
onlyOneExists enum onlyOneExists;: Undocumented in source.

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