Check existence of a given handler in the registry

Checks whether the specified handler exists in the handler registry environment.

Usage

qryflow_handler_exists(type)

Arguments

type

chunk type to check (e.g., "query", "exec")

Value

Logical. Does type exist in the handler registry?

See also

qryflow_parser_exists() for the parser equivalent.

Examples

qryflow_handler_exists("query")
#> [1] TRUE