Download - מונחה עצמים- תרגול 7 | Operator overloading
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'' Zgl`~.m
+lo`nio ZGL@^WM+niol`i ZGL@^WM
kcd{{ Zgl`~ u zvl d~i2
l`~ hWl]# hWl\5zyfclk2
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'' Zgl`~.kzz
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y{l`a `dhi{zdki {~n5
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'' Kmike{ lo ~mi zgl`~{ dvi itydc.fggc Zgl`~22gzivd~gv88-kg {~ Zgl`~ /z4, kg`{~ u
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'' Kdckycd~i{ ~mi nl{~d`ki fi~qii` ~mi ~qg zgl`~{.ngyfci Zgl`~22gzivd~gv(-kg`{~ Zgl`~ z4, kg`{~ u
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''hdl`.kzz
+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
+l`kcyni &Zgl`~.m&
l`~ hdl`-, uZgl`~ z4-4#6,# z6-;#9,5lo-z488z6,
kgy~33&^mi ~qg zgl`~{ dvi itydc.S`&5ic{i
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2&(&ngyfci.
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7
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+lo`nio OVDK^LG@WM+niol`i OVDK^LG@WM
kcd{{ Ovdk~lg`u
'' nd~dl`~ hWl@gh5l`~ hWlNi`gh5
'' gzivd~lg`{l`~ akn -l`~ l# l`~ b,5
gln vinyki -,5
zyfclk2Ovdk~lg` -l`~ ``8:# l`~ n`84,5 '' 4 nikcdvd~lg` 8 ; kg`{~vyk~gv{
x5
+i`nlo
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+l`kcyni &Ovdk~lg`.m&+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
Ovdk~lg`22Ovdk~lg` -l ~ ``# l`~ nn, 2hWl@gh -` ,# hWlNi`gh -nn, ulo -hWlNi`gh 88 :,
hWlNi gh 8 45vinyki -,5kgy~00&Ovdk~lg`2
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2%
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+lo`nio OVDK^LG@WM+niol`i OVDK^LG@WM
kcd{{ Ovdk~lg`u
'' nd~d
l`~ hWl@gh5l`~ hWlNi`gh5
'' gzivd~lg`{l`~ akn -l`~ l# l`~ b,5
gln vinyki -,5
zyfclk2Ovdk~lg` -l`~ ``8:# l`~ n`84,5 '' 4 nikcdvd~lg` 8 ; kg`{~vyk~gv{Ovdk~lg` gzivd~gv % -kg`{~ Ovdk~lg` /o4, kg`{~5Ovdk~lg` gzivd~gv ( -kg`{~ Ovdk~lg` /o4, kg`{~5Ovdk~lg` gzivd~gv " -kg`{~ Ovdk~lg` /o4, kg`{~5Ovdk~lg` gzivd~gv ' -kg`{~ Ovdk~lg` /o4, kg`{~5
x5+i`nlo
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Ovdk~lg`kg`{~ Ovdk~lg`7 2
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kg`{~ l`~l`~7 &K.K~gv.
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kg`{~ Ovdk~lg`
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kg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv % -kg`{~ Ovdk~lg` /o4, kg`{~ ul`~ `` 8 hWl@gh " o4.hWlNi`gh %hWlNi`gh " o4.hWl@gh5l`~ nn 8 hWlNi`gh " o4.hWlNi`gh5vi~yv` Ovdk~lg` -``# nn,5
u
kg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv ( -kg`{~ Ovdk~lg` /o4, kg`{~ ul`~ `` 8 hWl@gh " o4.hWlNi`gh (hWlNi`gh " o4.hWl@gh5l`~ nn 8 hWlNi`gh " o4.hWlNi`gh5vi~yv` Ovdk~lg` -``# nn,5
xkg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv " -kg`{~ Ovdk~lg` /o4, kg`{~ u
l`~ `` 8 hWl@gh " o4.hWl@gh5l`~ nn 8 hWlNi`gh " o4.hWlNi`gh5vi~yv` Ovdk~lg` -``# nn,5
ukg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv ' -kg`{~ Ovdk~lg` /o4, kg`{~ u
l`~ ` 8 hWl@gh " o4.hWlNi`gh5l`~ nn 8 hWlNi`gh " o4.hWl@gh5vi~yv` Ovdk~lg` -``# nn,5
x
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''hdl`.kzz
+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
+l`kcyni &Ovdk~lg`.m&
l`~ hdl`-, uOvdk~lg` o4-4#6,5Ovdk~lg` o6-6,5Ovdk~lg` o;5
Ovdk~lg` o>8o6%65Ovdk~lg` o98o6(o4%o>5
vi~yv` :5x
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Ovdk~lg`2 4'6
Ovdk~lg`2 6'4
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o4%6# kd{~ &6&(l`~(Ovdk~lg`
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6%o47 - , l`~
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6 Ovdk~lg`. 6(Ovdk~lg`#
## ! & Ovdk~lg`- .,
Ovdk~lg`7
kg`{~ Ovdk~lg` gzivd~gv % -kg`{~ Ovdk~lg` /o4# kg`{~ Ovdk~lg` /o6, ul`~ `` 8 o4.hWl@gh " o6.hWlNi`gh % o4.hWlNi`gh " o6.hWl@gh5l`~ nn 8 o4.hWlNi`gh " o6.hWlNi`gh5vi~yv` Ovdk~lg` -``# nn,5
x
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ovli`n
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#
ovli`n
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l`~ `` 8 o4.hWl@gh " o6.hWlNi`gh % o4.hWlNi`gh " o6.hWl@gh5l`~ nn 8 o4.hWlNi`gh " o6.hWlNi`gh5vi~yv` Ovdk~lg` -``# nn,5
x
''Ovdk~lg`.movli`n kg`{~ Ovdk~lg` gzivd~gv % -kg`{~ Ovdk~lg` /o4# kg`{~ Ovdk~lg` /o6,5
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''H|[v~l`a.m
+lo`nio H\W[^VL@AWM+niol`i H\W[^VL@AWM
+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
kcd{{ H|[~vl`au
kmdv" hWz{[~v5zyfclk2
H|[~vl`a-kmdv" {~v,5H|[~vl`a -kg`{~ H|[~vl`a/ ov,5pH|[~vl`a -,5
u5
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+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
+l`kcyni &H|[~vl`a.m&
l`~ hdl`-,
u
H|[~vl`a {~v-&dfk&,5H|[~vl`a {~v6 8 {~v5{~v68{~v5
vi~yv` :5x
2(kg`{~vyk~gv
({~v dfk
4::(K.K~gv2
({~v6 dfk 6::
(K.K~gv7 ({~v6 dfk
;::
6::7
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+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
+l`kcyni &H|[~vl`a.m&
l`~ hdl`-,
x
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vi~yv` :5u
.
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{~v48{~v68{~v;5
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''H|[~vl`a.kzzH|[~vl`a/ H|[~vl`a22gzivd~gv 8-kg`{~ H|[~vl`a /h|[~v, u
nici~iUX hWz{[~v5hWz{[~v8`iq kmdv
U{~vci`-h|[~v.hWz{[~v, %4X5{~vkz|-hWz{[~v#h|[~v.hWz{[~v,5vi~yv` "~ml{5
x
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+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
+l`kcyni &H|[~vl`a.m&
l`~ hdl`-,
x
H|[~vl`a {~v-&dfk&,5H|[~vl`a {~v6 8 {~v5{~v68{~v5
vi~yv` :5u
K.K~gv
K.K~gv &
&& S f| dcyi
&K.K~gv
Gzivd~gv 8
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+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
+l`kcyni &H|[~vl`a.m&
l`~ hdl`-,
x
H|[~vl`a {~v-&dfk&,5{~v8{~v5
vi~yv` :5u
7(kg`{~vyk~gv
({~v dfk
4::
4::777
$
2
$
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+l`kcyni 3lg{~vidh0y{l`a `dhi{zdki {~n5
+l`kcyni &H|[~vl`a.m&
l`~ hdl`-,
x
H|[~vl`a {~v-&dfk&,5{~v8{~v5
vi~yv` :5u
&
''H|[~vl`a.mH|[~vl`a/ gzivd~gv 8 -kg`{~ H|[~vl`a /o,5
''H|[~vl`a.kzzH|[~vl`a/ H|[~vl`a22gzivd~gv 8-kg`{~ H|[~vl`a /h|[~v,u
lo -~ml{ 88 /h|[~v,vi~yv` "~ml{5
nici~iUX hWz{[~v5hWz{[~v8`iq kmdv
U{~vci`-h|[~v.hWz{[~v, %4X5{~vkz|-hWz{[~v#h|[~v.hWz{[~v,5vi~yv` "~ml{5
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%8
''Ovdk~lg`.mOvdk~lg`/ gzivd~gv %8 -kg`{~ Ovdk~lg` /o,5
''Ovdk~lg`.kzzOvdk~lg`/ Ovdk~lg`22gzivd~gv %8 -kg`{~ Ovdk~lg` /o, u
-"~ml{, 8 -"~ml{, % o5vi~yv` "~ml{5
x
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%87 ~ml{ (~ml{~ml{
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62Zviol} -%%l,
Zg{~ol} -l%%,
%%
l`~ l-6,# b5 b 8 %%l5kgy~ 33&l2&33l33i`nc5kgy~ 33&b2&33b33i`nc5kgy~33i`nc5
b 8 l%%5kgy~ 33&l2&33l33i`nc5kgy~ 33&b2&33b33i`nc5
l2;B2;
l2>B2;
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2Zviol} -%%l,
~ml{7(Zg{~ol} -l%%, (~ml{
-., ~ml{.
# (~ml{
7(
%%
Ovdk~lg`/
kg`{~ Ovdk~lg`
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2 6 ...
7 (Zg{~ol}--l%%,,
%%
Ovdk~lg`/ gzivd~gv %% -,5 '' zviol}2 %%dkg`{~ Ovdk~lg` gzivd~gv %% -l`~,5 '' zg{~ol}2 d%%
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%%
''Ovdk~lg`.mOvdk~lg`/ gzivd~gv %% -,5 '' zviol}2 %%dkg`{~ Ovdk~lg` gzivd~gv %% -l`~,5 '' zg{~ol}2 d%%
''Ovdk~lg`.kzzOvdk~lg`/ Ovdk~lg`22gzivd~gv %% -, u '' zviol}2 %%d
hWl@gh %8 hWlNi`gh5vinyki -,5vi~yv` "~ml{5
u
kg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv %% -l`~, u '' zg{~ol}2 d%%l`~ ` 8 hWl@gh5l`~ nn 8 hWlNi`gh5hWl@gh %8 hWlNi`gh5vinyki -,5vi~yv` Ovdk~lg` -``# nn,5
u
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(zg{~ol}2
7
%%
kg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv %% -l`~, ul`~ `` 8 hWl@gh5l`~ nn 8 hWlNi`gh5hWl@gh %8 hWlNi`gh5vinyki -,5vi~yv` Ovdk~lg` -``# nn,5
u
kg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv %% -l`~, uOvdk~lg` o -hWl@gh#hWlNi`gh,5hWl@gh %8 hWlNi`gh5vinyki -,5vi~yv` o5
u
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7 Ovdk~lg`o
(K.K~gv- f| dc,
(K.K~gv o
(o
%%
Ovdk~lg` o;5Ovdk~lg` o> 8 o;%%5
kg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv %% -l`~, uOvdk~lg` o -hWl@gh#hWlNi`gh,5hWl@gh %8 hWlNi`gh5vinyki -,5vi~yv` o5
u
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Ovdk~lg`o
(K.K~gv- f| dc,
(K.K~gv o
(o # .
- (K.K~gv,
%%
Ovdk~lg` o;5Ovdk~lg` o> 8 o;%%5
kg`{~ Ovdk~lg` Ovdk~lg`22gzivd~gv %% -l`~, ul`~ `` 8 hWl@gh5l`~ nn 8 hWlNi`gh5hWl@gh %8 hWlNi`gh5vinyki -,5
vi~yv` Ovdk~lg` -``# nn,5u
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00(33 g{~vidh(l{~vidh-,
# kgy~ g{~vidh(kl` l{~vidh
# kgy~33l5 7
7
33(00
g{~vidh/
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7
o33kgy~5o00kl`5
kgy~33o5 kl`00o5
gln
33(00''Ovdk~lg`.m
gln gzivd~gv 00 -l{~vidh /l{,5gln gzivd~gv 33 -g{~vidh /g{, kg`{~5
''Ovdk~lg`.kzzgln Ovdk~lg`22gzivd~gv 00 -l{~vidh /l{, u
kmdv nl [la`5l{ 00 hWl@gh 00 nl [la` 00 hWlNi gh5lo -hWlNi`gh 88 :,
hWlNi gh 8 45vinyki -,5
u
gln Ovdk~lg`22gzivd~gv 33 -g{~vidh/ g{, kg`{~ ug{ 33 hWl@gh 33 &'& 33 hWlNi`gh5
u
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2 ovli`n2
# 2
33(00
''Ovdk~lg`.movli`n l{~vidh/ gzivd~gv 00 -l{~vidh /l{# Ovdk~lg` /o,5ovli`n g{~vidh/ gzivd~gv 33 -g{~vidh /g{# kg`{~ Ovdk~lg` /o,5
''Ovdk~lg`.kzzl{~vidh/ gzivd~gv 00 -l{~vidh /l{# Ovdk~lg` /ovdk, u
kmdv nl [la`5l{ 00 ovdk.hWl@gh 00 nl [la` 00 ovdk.hWlNi`gh5lo -ovdk.hWlNi`gh 88 :,
ovdk.hWlNi`gh 8 45ovdk.vinyki -,5vi~yv` l{5
u
g{~vidh/ gzivd~gv 33 -g{~vidh/ g{# kg`{~ Ovdk~lg` /ovdk, uvi~yv` g{ 33 ovdk.hWl@gh 33 &'& 33 ovdk.hWlNi`gh5
u
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2
XU
''_ik~gv.m
kcd{{ ik~gv ul`~" hWnd~d5l`~ hW{lri5
zyfclk2 _ik~gv-l`~ {lri8:#l`~ l`l~_dc8:,5_ik~gv-kg`{~ _ik~gv/ ,5l`~ ai~-l`~ l`ni},5
gln {i~-l`~ l`ni}#l`~ dc,5x
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{i~(ai~
U6X 8 >5 .gzivd~gvUX-6, 8 >5
7l`~/
7l`~/ gzivd~gvUX -l`~ l,5
ai~({i~-
!,
XU
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7
$ kg`{~.
kg`{~$
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gln o-kg`{~ _ik~gv/ , ul`~ l8 U;X5
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2-,kg`{~$
7kg`{~ l`~/ .
7kg`{~ l`~/ gzivd~gvUX -l`~ l, kg`{~5
XU
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Ovdk~lg`(ngyfci2
''Ovdk~lg`.mgzivd~gv ngyfci -, u vi~yv` --ngyfci, hWl@gh, ' hWlNi`gh5 x
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$
o4%6 2
6(Ovdk~lg` %7
o4(ngyfci %ngyfci7
# - .~gNgyfci-,# ~gL`~-,!,
''Ovdk~lg`.mgzivd~gv ngyfci -, u vi~yv` --ngyfci, hWl@gh, ' hWlNi`gh5 x
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gy~zy~2
-4, K~gv ( Ovdk~lg`2 ;'6-6, K~gv ( Ovdk~lg`2 >'4-6, K~gv ( Ovdk~lg`2 :'4-;, Ovdk~lg` o4 l{2 ;'6->, Ovdk~lg` o6 l{2 >'4-9, Ovdk~lg` o; l{2 :'4-?, I`~iv ovdk~lg` zcid{i2-1, Ovdk~lg` o; l{2 6:';-=, Ovdk~lg` o4 l{2 ;'6-'4-4:, K~gv ( Ovdk~lg`2 44'6-4:, o4 % o6 l{2 44'6-4:, nic2 44'6-44, K~gv ( Ovdk~lg`2 9'(6-44, o4 ( o6 l{2 9'(6
-44, nic2 9'(6
+l`kcyni &Ovdk~lg`.m&+l`kcyni 3lg{~vidh0
y{l`a `dhi{zdki {~n5l`~ hdl -, u
kg`{~ Ovdk~lg` o4-;#6,5Ovdk~lg` o6->,# o;5
''Zvl`~ ~mi ovdk~lg`{.kgy~33 &Ovdk~lg` o4 l{2 &33o433i`nc5kgy~33 &Ovdk~lg` o6 l{2 &33o633i`nc5kgy~33 &Ovdk~lg` o; l{2 &33o;33i`nc5
''L`l~ldclri ~mi ovdk~lg`{ ovgh y{iv.kgy~ 33 &I`~iv ovdk~lg` zcid{i2 &5kl` 00 o;5kgy~ 33 &Ovdk~lg` o; l{2 & 33 o; 33 i`nc5
''Hd~m gzivd~gv{.kgy~ 33 &Ovdk~lg` o4 l{2 & 33 o4 33 i`nc5kgy~ 33 &Ovdk~lg` o6 l{2 & 33 o6 33 i`nc5kgy~ 33 &o4 % o6 l{2 & 33 -o4 % o6, 33 i`nc5kgy~ 33 &o4 ( o6 l{2 & 33 -o4 ( o6, 33 i`nc5
6:';
Nl{zcd| zvgfcih$
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7/30/2019 Operator overloading | - 7
45/46
gy~zy~2
-46, K~gv ( Ovdk~lg`2 ;'=-46, K~gv ( Ovdk~lg`2 ?'4-46, K~gv ( Ovdk~lg`2 -46, K~gv ( Ovdk~lg`2 ?;'=-46, o4 " o4 % o6 " o4 ( o4 ' o6 l{2 ?;'=-46, nic2 ?;'=-46, nic2 ;;'>-46, nic2 , K~gv ( Ovdk~lg`2 6'4-4>, K~gv ( Ovdk~lg`2 1'6-4>, o4 % 6 l{2 1'6-4>, nic2 1'6-4>, nic2 6'4
kgy~ 33 &o4 " o4 % o6 " o4 ( o4 ' o6 l{2 &33 o4 " o4 % o6 " o4 ( o4 ' o6 33 i`nc5
kgy~ 33 &o6 % 6 l{2 & 33 -o6 % 6, 33 i`nc5kgy~ 33 &o6 % -Ovdk~lg`,6 l{2 & 33
-o6 % -Ovdk~lg`,6, 33 i`nc5kgy~ 33 &o4 % 6 l{2 & 33 -o4 % 6, 33 i`nc5
Ivvgv
o4kg`{~ -2! kg`{~,
6 Ovdk~lg`.
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7/30/2019 Operator overloading | - 7
46/46
gy~zy~2
-49, o6 l{2 >'4-4?, %%o6 l{2 9'4-41, K~gv ( Ovdk~lg`2 9'4-41, o6%% l{2 9'4-41, nic2 9'4-4=, o6 l{2 ?'4-45kgy~ 33 &^mi ngyfci dcyi go o> l{2 & 33 n33 d`n ~mi l`~ dcyi l{2 & 33 l 33 i`nc5
kgy~33 &Ovdk~lg` o4 l{2 &33o433i`nc5kgy~33 &Ovdk~lg` o6 l{2 &33o633i`nc5kgy~33 &Ovdk~lg` o4U4X l{2 &33o4U4X33i`nc5o6U4X8o4U6X5kgy~33 &Ovdk~lg` o6 l{2 &33o633i`nc5
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