Wrap an expression in curly braces

Adds curly braces to an expression (represented as a parse table) if there are none.

wrap_expr_in_curly(pd, stretch_out = c(FALSE, FALSE), space_after = 1L)

Arguments

pd

A parse table.

stretch_out

Whether or not to create a line break after the opening curly brace and before the closing curly brace.

space_after

How many spaces should be inserted after the closing brace.