upstream/mercurial-mirror Files · contrib/hgsh/Makefile

use 'x is None' instead of 'x == None'...

use 'x is None' instead of 'x == None' The built-in None object is a singleton and it is therefore safe to compare memory addresses with is. It is also faster, how much depends on the object being compared. For a simple type like str I get: | s = "foo" | s = None ----------+-----------+---------- s == None | 0.25 usec | 0.21 usec s is None | 0.17 usec | 0.17 usec

Vadim Gelfer - - Load All Authors

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      CC := gcc

      CFLAGS := -g -O2 -Wall -Werror

      prefix ?= /usr/bin

      hgsh: hgsh.o

      	$(CC) -o $@ $<

      install: hgsh

      	install -m755 hgsh $(prefix)

      clean:

      	rm -f *.o hgsh

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				CC := gcc
				CFLAGS := -g -O2 -Wall -Werror

				prefix ?= /usr/bin

				hgsh: hgsh.o
				$(CC) -o $@ $<

				install: hgsh
				install -m755 hgsh $(prefix)

				clean:
				rm -f *.o hgsh