folly::rich_error_base

Synopsis

Declared in <folly/result/rich_error_base.h>

class rich_error_base;

Name	Description
`fmt_all_codes_t`	A `fmt`-formattable view of all codes in this error's hierarchy.
`underlying_error_private_t`	Passkey granting folly-internal access to the underlying-error pointer.

Name	Description
`~rich_error_base` [destructor] [virtual]	Virtual destructor.
`all_codes_for_fmt`	Returns a `fmt`-formattable view of all codes in this error's hierarchy.
`format_to` [virtual]	Renders this error for `fmt` and `ostream<<`.
`format_with_epitaphs`	Formats this epitaph stack, starting with its underlying error.
`format_with_epitaphs_without_first_underlying`	Formats only the epitaph stack, omitting the first underlying error.
`mutable_underlying_error`	Returns mutable access to the underlying error pointer (folly-internal).
`next_error_for_epitaph` [virtual]	Returns the next error in the epitaph/nesting chain, if any.
`partial_message` [virtual]	Returns a partial message for this error (prefer `<<`/`fmt` for logging).
`retrieve_code` [virtual]	Override to support RTTI-free `get_rich_error_code()`.
`source_location` [virtual]	Returns the source location where this error was created.
`underlying_error`	Returns the error that is actually propagating (the "underlying" error).

Name	Description
`rich_error_base` [constructor]	Constructors
`operator=`	Assignment operators
`set_underlying_error`	Sets the underlying error pointer (only used by `epitaph_non_value`).

Name	Description
`folly::rich_error`	A rich error carrying a user-defined base type and a formatted message.

Name	Description
`coded_rich_error`	Start with the user docs in `docs/rich_error_code.md`.