~ does indeed denote named arguments. To call a function named f which has an ar... | Hacker News

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		pcstl on Oct 16, 2019 \| parent \| context \| favorite \| on: Beating Decades of Optimized C with 80 Lines of Ha... ~ does indeed denote named arguments. To call a function named f which has an argument named arg with arg set to the value x, the syntax is: `f ~arg:x`

gpderetta on Oct 16, 2019 [–]

But what about ~buf here:

  let len = Core.In_channel.input in_ch ~buf ~pos:0 ~len:buf_size

test9753 on Oct 16, 2019 | [–]

~buf is shorthand for ~buf:buf

gpderetta on Oct 16, 2019 | | [–]

Oh, nice.

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