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Clarify that repr should make julia code #30757

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Clarify that repr should make julia code
oxinabox Jan 18, 2019
2471ed3
correct Meta typo
oxinabox Jan 18, 2019
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14 changes: 8 additions & 6 deletions base/strings/io.jl
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Expand Up @@ -179,16 +179,18 @@ end
"""
repr(x; context=nothing)

Create a string from any value using the [`show`](@ref) function.
Create a representation of `x` similar to how `x` would be defined in Julia code.
In general `eval(Meta.parse(repr(x)))` should be equal to `x`,
where this is not possible `repr(x)` should not `parse`.

The optional keyword argument `context` can be set to an `IO` or [`IOContext`](@ref)
object whose attributes are used for the I/O stream passed to `show`.

Note that `repr(x)` is usually similar to how the value of `x` would
be entered in Julia. See also [`repr(MIME("text/plain"), x)`](@ref) to instead
See also [`repr(MIME("text/plain"), x)`](@ref) to instead
return a "pretty-printed" version of `x` designed more for human consumption,
equivalent to the REPL display of `x`.

By default `repr` falls back to the [`show`](@ref) function.
The optional keyword argument `context` can be set to an `IO` or [`IOContext`](@ref)
object whose attributes are used for the I/O stream passed to `show`.

# Examples
```jldoctest
julia> repr(1)
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