igatures; color: #3d1d81">count_if</span><span style="font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures">(m.</span><span style="font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #3d1d81">begin</span><span style="font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures">(), m.</span><span style="font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures; color: #3d1d81">end</span><span style="font: 11.0px Menlo; font-variant-ligatures: no-common-ligatures">(),<