here
直接从utop。
我能拿到钱
通过使用
utop # open Core;;
â( 10:41:50 )â< command 4 >âââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ{ counter: 0 }â
utop # #typeof "In_channel.input_char";;
val Core.In_channel.input_char : Core.In_channel.t -> Base.char Base.option
â( 10:41:54 )â< command 5 >âââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ{ counter: 0 }â
utop # #show In_channel.input_char;;
val input_char : in_channel -> char option
â( 10:43:00 )â< command 7 >ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ{ counter: 0 }â
utop #
但医生更有钱
val input_char : t â> Stdio__.Import.char Stdio__.Import.option
Read one character from the given input channel.
Return None if there are no more characters to read.