class Log::IOBackend
Overview
A Log::Backend that emits to an IO (defaults to STDOUT).
Defined in:
log/io_backend.crConstructors
Instance Method Summary
- #format(entry : Entry) : Nil
Emits the entry to the given io.
- #formatter : Formatter
- #formatter=(formatter : Formatter)
- #io : IO
- #io=(io : IO)
- #write(entry : Entry) : Nil
Writes the entry to this backend.
Instance methods inherited from class Log::Backend
close : Nil close, dispatcher : Dispatcher dispatcher, dispatcher=(dispatcher : Dispatcher) dispatcher=, write(entry : Entry) write Constructor methods inherited from class Log::Backend
new(dispatch_mode : DispatchMode = :async)new(dispatcher : Dispatcher) new
Instance methods inherited from class Reference
==(other : self)==(other : JSON::Any)
==(other : YAML::Any)
==(other) ==, dup dup, hash(hasher) hash, inspect(io : IO) : Nil inspect, object_id : UInt64 object_id, pretty_print(pp) : Nil pretty_print, same?(other : Reference) : Bool
same?(other : Nil) same?, to_s(io : IO) : Nil to_s
Constructor methods inherited from class Reference
new new Instance methods inherited from class Object
! : Bool !, !=(other) !=, !~(other) !~, ==(other) ==, ===(other : JSON::Any)===(other : YAML::Any)
===(other) ===, =~(other) =~, as(type : Class) as, as?(type : Class) as?, class class, dup dup, hash(hasher)
hash hash, in?(collection : Object) : Bool
in?(*values : Object) : Bool in?, inspect(io : IO) : Nil
inspect : String inspect, is_a?(type : Class) : Bool is_a?, itself itself, nil? : Bool nil?, not_nil! not_nil!, pretty_inspect(width = 79, newline = "\n", indent = 0) : String pretty_inspect, pretty_print(pp : PrettyPrint) : Nil pretty_print, responds_to?(name : Symbol) : Bool responds_to?, tap(&) tap, to_json(io : IO) : Nil
to_json : String to_json, to_pretty_json(indent : String = " ") : String
to_pretty_json(io : IO, indent : String = " ") : Nil to_pretty_json, to_s(io : IO) : Nil
to_s : String to_s, to_yaml(io : IO) : Nil
to_yaml : String to_yaml, try(&) try, unsafe_as(type : T.class) forall T unsafe_as
Class methods inherited from class Object
from_json(string_or_io, root : String)from_json(string_or_io) from_json, from_yaml(string_or_io : String | IO) from_yaml
Constructor Detail
def self.new(io = STDOUT, *, formatter : Formatter = ShortFormat, dispatcher : Dispatcher::Spec = DispatchMode::Async)Source
Instance Method Detail
def format(entry : Entry) : NilSource
Emits the entry to the given io. It uses the #formatter to convert.
def write(entry : Entry) : NilSource
Description copied from class Log::Backend
Writes the entry to this backend.
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Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/1.2.1/Log/IOBackend.html