Std.App.Database.migrate

fn

This is a callable function.

What it does

Bring the schema to what the program holds, through this database's driver.

Answers how many migrations ran. A database that is not started is refused

rather than opened, like every other call here.

Read the signature

• The text after the name is the type checked by Pudu.
• Read arrows from left to right: inputs come first, and the final type is returned.
• & borrows a value for this call instead of moving or copying it.
• Names inside [ ] are type arguments, such as the item type held by a collection.
• Result makes success and recoverable failure part of the function's type.