Returns the payload associated with the panic.
\nThis will commonly, but not always, be a &'static str or String.\nIf you only care about such payloads, use payload_as_str instead.
A invocation of the panic!() macro in Rust 2021 or later will always result in a\npanic payload of type &'static str or String.
Only an invocation of panic_any\n(or, in Rust 2018 and earlier, panic!(x) where x is something other than a string)\ncan result in a panic payload other than a &'static str or String.
use std::panic;\n\npanic::set_hook(Box::new(|panic_info| {\n if let Some(s) = panic_info.payload().downcast_ref::<&str>() {\n println!(\"panic occurred: {s:?}\");\n } else if let Some(s) = panic_info.payload().downcast_ref::<String>() {\n println!(\"panic occurred: {s:?}\");\n } else {\n println!(\"panic occurred\");\n }\n}));\n\npanic!(\"Normal panic\");Returns the payload associated with the panic, if it is a string.
\nThis returns the payload if it is of type &'static str or String.
A invocation of the panic!() macro in Rust 2021 or later will always result in a\npanic payload where payload_as_str returns Some.
Only an invocation of panic_any\n(or, in Rust 2018 and earlier, panic!(x) where x is something other than a string)\ncan result in a panic payload where payload_as_str returns None.
std::panic::set_hook(Box::new(|panic_info| {\n if let Some(s) = panic_info.payload_as_str() {\n println!(\"panic occurred: {s:?}\");\n } else {\n println!(\"panic occurred\");\n }\n}));\n\npanic!(\"Normal panic\");Returns information about the location from which the panic originated,\nif available.
\nThis method will currently always return Some, but this may change\nin future versions.
use std::panic;\n\npanic::set_hook(Box::new(|panic_info| {\n if let Some(location) = panic_info.location() {\n println!(\"panic occurred in file '{}' at line {}\",\n location.file(),\n location.line(),\n );\n } else {\n println!(\"panic occurred but can't get location information...\");\n }\n}));\n\npanic!(\"Normal panic\");panic_can_unwind #92988)Returns whether the panic handler is allowed to unwind the stack from\nthe point where the panic occurred.
\nThis is true for most kinds of panics with the exception of panics\ncaused by trying to unwind out of a Drop implementation or a function\nwhose ABI does not support unwinding.
It is safe for a panic handler to unwind even when this function returns\nfalse, however this will simply cause the panic handler to be called\nagain.
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