Macro assert_io_read_to_string_contains_as_result 

macro_rules! assert_io_read_to_string_contains_as_result {
    ($reader:expr, $containee:expr $(,)?) => { ... };
}

Assert a ::std::io::Read read_to_string() contains a pattern.

Pseudocode:
(reader.read_to_string(a_string) ⇒ a_string) contains (expr)

• If true, return Result Ok(a_string).

• Otherwise, return Result Err(message).

This macro is useful for runtime checks, such as checking parameters, or sanitizing inputs, or handling different results in different ways.

Module macros

• assert_io_read_to_string_contains
• assert_io_read_to_string_contains_as_result
• debug_assert_io_read_to_string_contains