[br] 1st translation of "Exceptions.md" #68
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abelsiqueira
suggested changes
Oct 22, 2018
| | Define NewExcep | `struct NewExcep <: Exception`<br>`v::String`<br>`end`<br><br>`Base.showerror(io::IO, e::NewExcep) = print(io, "A problem with $(e.v)!")`<br><br>`throw(NewExcep("x"))` | | ||
| | Throw error with msg text | `error(msg)` | | ||
| | Handler | `try`<br>`# do something potentially iffy`<br>`catch ex`<br>`if isa(ex, SomeExcep)`<br>`# handle SomeExcep`<br>`elseif isa(ex, AnotherExcep)`<br>`# handle AnotherExcep`<br>`else`<br>`# handle all others`<br>`finally`<br>`# do this in any case`<br>`end` | | ||
| | Lançar algumas exceções | `throw(SomeExcep())` | |
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Lançar AlgumaExcecao. Do lado direito SomeExcep -> AlgumaExcecao
| | Handler | `try`<br>`# do something potentially iffy`<br>`catch ex`<br>`if isa(ex, SomeExcep)`<br>`# handle SomeExcep`<br>`elseif isa(ex, AnotherExcep)`<br>`# handle AnotherExcep`<br>`else`<br>`# handle all others`<br>`finally`<br>`# do this in any case`<br>`end` | | ||
| | Lançar algumas exceções | `throw(SomeExcep())` | | ||
| | Relançar exceção atual | `rethrow()` | | ||
| | Definir NewExcep | `struct NewExcep <: Exception`<br>`v::String`<br>`end`<br><br>`Base.showerror(io::IO, e::NewExcep) = print(io, "A problem with $(e.v)!")`<br><br>`throw(NewExcep("x"))` | |
| | Lançar algumas exceções | `throw(SomeExcep())` | | ||
| | Relançar exceção atual | `rethrow()` | | ||
| | Definir NewExcep | `struct NewExcep <: Exception`<br>`v::String`<br>`end`<br><br>`Base.showerror(io::IO, e::NewExcep) = print(io, "A problem with $(e.v)!")`<br><br>`throw(NewExcep("x"))` | | ||
| | Erro de lançamento com mensagem | `error(msg)` | |
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Lançar erro com mensagem
| | Relançar exceção atual | `rethrow()` | | ||
| | Definir NewExcep | `struct NewExcep <: Exception`<br>`v::String`<br>`end`<br><br>`Base.showerror(io::IO, e::NewExcep) = print(io, "A problem with $(e.v)!")`<br><br>`throw(NewExcep("x"))` | | ||
| | Erro de lançamento com mensagem | `error(msg)` | | ||
| | Handler | `try`<br>`# do something potentially iffy`<br>`catch ex`<br>`if isa(ex, SomeExcep)`<br>`# handle SomeExcep`<br>`elseif isa(ex, AnotherExcep)`<br>`# handle AnotherExcep`<br>`else`<br>`# handle all others`<br>`finally`<br>`# do this in any case`<br>`end` | |
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Tratamento,
fazer algo potencialmente errado
SomeExcep -> AlgumaExcecao
lidar com AlgumaExcecao
AnotherExcep -> OutraExcecao
lidar com todas outras
Faça isto em todos casos
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