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Allow .~ infix operator #30341

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cscherrer opened this issue Dec 10, 2018 · 0 comments
Closed

Allow .~ infix operator #30341

cscherrer opened this issue Dec 10, 2018 · 0 comments
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kind:feature Indicates new feature / enhancement requests parser Language parsing and surface syntax status:help wanted Indicates that a maintainer wants help on an issue or pull request

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@cscherrer
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~ is standard notation for statistical distributions, for example x ~ Normal(0,1). Because of this, it's a natural choice for probabilistic programming DSLs like Soss.jl and Turing.jl.

It would be convenient to allow this notation to be broadcast in the usual way, for example allowing x .~ Normal(0,1). But this currently seems to be disallowed:

julia> :(x .~ Normal(0,1))
ERROR: syntax: missing comma or ) in argument list

@StefanKarpinski suggested I open an issue to request this be changed:
cscherrer/Soss.jl#14 (comment)

Thank you!
@StefanKarpinski StefanKarpinski added parser Language parsing and surface syntax kind:feature Indicates new feature / enhancement requests labels Dec 10, 2018
@StefanKarpinski StefanKarpinski added this to the 1.2 milestone Dec 10, 2018
@StefanKarpinski StefanKarpinski added the status:help wanted Indicates that a maintainer wants help on an issue or pull request label Dec 10, 2018
@ararslan ararslan mentioned this issue Dec 11, 2018
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@StefanKarpinski @cscherrer