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Based on notaweblog.php by joshua stein

[ < ] Monday, 4 May 2015 [ > ]

HookRace: a Nim blog for now.

Interest blog post on reducing a Nim binary from 160 KB to 150 Bytes.

So I used How I Start and ran my nim "hello world" program:

port:fred ~/code/nimcode> ../Nim/bin/nim c hello 
/home/fred/code/Nim/config/nim.cfg(53, 3) Hint: added path: '/home/fred/.babel/pkgs/' [Path]
/home/fred/code/Nim/config/nim.cfg(54, 3) Hint: added path: '/home/fred/.nimble/pkgs/' [Path]
Hint: used config file '../Nim/config/nim.cfg' [Conf]
Hint: system [Processing]
Hint: hello [Processing]
[Linking]
/home/fred/code/nimcode/nimcache/stdlib_system.o(.text+0xe54e): In function `nimFloatToStr':
: warning: sprintf() is often misused, please use snprintf()
Hint: operation successful (9074 lines compiled; 0.172 sec total; 13.138MB; Debug Build) [SuccessX]
port:fred ~/code/nimcode> ./hello
Hello Nim

The wrote a slightly more complex nim program:

loop.nim
var x = 0
for i in 1 .. 1_000:
    inc x # increase x
    echo x

echo "Hello nim: ",x," greetings"
port:fred ~/code/nimcode> ../Nim/bin/nim c loop  
/home/fred/code/Nim/config/nim.cfg(53, 3) Hint: added path: '/home/fred/.babel/pkgs/' [Path]
/home/fred/code/Nim/config/nim.cfg(54, 3) Hint: added path: '/home/fred/.nimble/pkgs/' [Path]
Hint: used config file '../Nim/config/nim.cfg' [Conf]
Hint: system [Processing]
Hint: loop [Processing]
[Linking]
/home/fred/code/nimcode/nimcache/stdlib_system.o(.text+0xe54e): In function `nimFloatToStr':
: warning: sprintf() is often misused, please use snprintf()
Hint: operation successful (9079 lines compiled; 0.336 sec total; 13.138MB; Debug Build) [SuccessX]
port:fred ~/code/nimcode> ./loop
1
...
1000
Hello nim: 1000 greetings

This program failed initially, as I used tabs in the file which gave me: Error: tabulators are not allowed replacing with spaces fixed this warning.

Need to finish the How I Start and have a play with the Nim Tutorial.

codenim

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