Module method_return_builder 

Shared utilities for handling method return values in R wrapper generation.

This module provides helpers for generating consistent return value handling across all class systems (Env, R6, S7, S3, S4).

Structs

MethodReturnBuilder

Builder for generating R method body lines with appropriate return handling.

ReturnTails 🔒

Class-specific tail closures, one per ReturnStrategy variant.

Enums

ReturnStrategy

Return handling strategy for class methods.

Functions

error_in_r_check_lines

Generate the R guard that re-raises a tagged Rust error/condition value.

error_in_r_inline_block

Generate an inline R error-check block for single-expression contexts (S7, S4).

error_in_r_standalone_body

Generate a standalone-function R wrapper body for error_in_r mode.