Arrows

← ⇐ → ⇒ ↔
⇔ $\mapsto$ $\hookleftarrow$ $\leftharpoonup$ $\leftharpoondown$
$\rightleftharpoons$ ↑ ⇑ ↓ ⇓
$\updownarrow$ ← $\Longleftarrow$ → $\Longrightarrow$
$\longleftrightarrow$ $\Longleftrightarrow$ $\longmapsto$ $\hookrightarrow$ $\rightharpoonup$
$\rightharpoondown$ $\rightsquigarrow$ $\Updownarrow$ $\nearrow$ $\searrow$
$\swarrow$ $\nwarrow$ $\circlearrowright$ $\circlearrowleft$ $\rightleftharpoons$
$\leftrightharpoons$ $\twoheadrightarrow$ $\twoheadleftarrow$ $\leftleftarrows$ $\rightrightarrows$
$\upuparrows$ $\downdownarrows$ $\upharpoonright$ $\downharpoonright$ $\upharpoonleft$
$\downharpoonleft$ $\rightarrowtail$ $\leftarrowtail$ $\leftrightarrows$ $\rightleftarrows$
$\Lsh$ $\Rsh$ $\rightsquigarrow$ $\leftrightsquigarrow$ $\looparrowleft$
$\looparrowright$ $\multimap$ ⇒ ⇐ $\curvearrowleft$
$\curvearrowright$ $\dashrightarrow$ $\dashleftarrow$