Kaya 0.5.3 reference for DB::maybeA

Maybe<a> maybeA(a(DBValue) f, DBValue val)

Arguments

• val: A database result cell
• f: A function to convert a database result to a useable type, such as bool.

Usage

Convert a database result to a Prelude::Maybe, returning nothing for a null, and containing a value converted by f otherwise.

Related

• Prelude::Maybe
• DBValue
• bool
• float
• int
• string
• time