adventofcode2023/prelude.tcl

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Tcl
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package require Tcl 8.6
namespace import tcl::mathfunc::min
namespace import tcl::mathfunc::max
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proc {#} args {}
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proc ladd {list} {
set t 0
foreach x $list { incr t $x }
return $t
}
proc lmul {list} {
set p 1
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foreach x $list { set p [expr {$p * $x}] }
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return $p
}
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proc must_regexp args {
if {! [uplevel [concat regexp $args]]} {
error "regexp failed"
}
}