Expression.Yieldtype t('M, 'T) = {argument: option(Expression.t('M, 'T)),comments: option(Syntax.t('M, unit)),delegate: bool,result_out: 'T,};let pp:
(Format.formatter => 'M => unit) =>
(Format.formatter => 'T => unit) =>
Format.formatter =>
t('M, 'T) =>
unit;let show:
(Format.formatter => 'M => unit) =>
(Format.formatter => 'T => unit) =>
t('M, 'T) =>
string;