First, gratz nim team on releasing v.1.0 I'm just sharing my...first
impressions :) I'm a C# game developer that wants to learn something new and
fresh, it's difficult to change mindset sometimes though.
I decided to write something very stupid like time profiler "hello world" and I
thought it will be EASY PIZY but...I ended up getting SIGSEGV: Illegal storage
access. (Attempt to read from nil?)
I like to try to solve my problems myself and I realized that it must be
something stupid about my code
var
elements = newSeq[ProfileElement](2)
index: int
Run
It took me some time to realize that newSeq created 2 nulled objects and I
needed to use
newSeqOfCap
Run
It's something very unfamiliar for me and I still didn't decide whether I like
it or not. The thing that made me sad was string formatting. A lot of useless
comma stuff in the string
echo "**** Time elapsed ",$(pe.name)," for ", $(pe.t1-pe.t0),"*****"
Run
It's something I miss from C# where I can write like
$"**** Time elapsed {pe.name} for {pe.t1-pe.t0} *****"
Run
But maybe I don't know something about formatting in Nim. In the end, the code
looks something like this XD
I think I'll hang around and try to write something more interesting and
complex to decide if Nim is great for game dev :)
type
ProfileElement = object
name: string
t0, t1: float
var
elements = newSeqOfCap[ProfileElement](2)
index: int
proc newProfileElement*(arg: string): ProfileElement =
result = ProfileElement(
name: arg,
t0: cpuTime()
)
proc Start*(arg:string)=
var el = newProfileElement(arg)
el.name = arg
el.t0 = cpuTime()
elements.add(el)
proc End*()=
var el = elements[index]
el.t1 = cpuTime()
index += 1
proc Print*()=
for pe in elements:
echo "**** Time elapsed ",$(pe.name)," for ", $(pe.t1-pe.t0),"*****"
index = 0
elements.setLen(0)
profile.Start("Test1")
profile.End()
profile.Start("Test2")
profile.End()
profile.Start("Test3")
profile.End()
profile.Print()
Run
