malloc implementation for VarDecl. Fix #515

[Konstantin8105]

Close #515
Need for #67

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This change is 

[codecov]

Codecov Report

Merging #535 into master will decrease coverage by 0.01%.
The diff coverage is 77.58%.

@@            Coverage Diff             @@
##           master     #535      +/-   ##
==========================================
- Coverage   80.65%   80.64%   -0.02%     
==========================================
  Files         148      148              
  Lines        7187     7214      +27     
==========================================
+ Hits         5797     5818      +21     
- Misses       1062     1066       +4     
- Partials      328      330       +2

Impacted Files	Coverage Δ
transpiler/variables.go	80.73% <75%> (-0.34%)	⬇️
transpiler/binary.go	63.76% <78.26%> (+1.26%)	⬆️

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[elliotchance]

Reviewed 3 of 3 files at r1.
Review status: all files reviewed at latest revision, 1 unresolved discussion, some commit checks failed.

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transpiler/binary.go, line 376 at r1 (raw file):

	var expr *ast.CallExpr

	foundCall = func(n ast.Node) {

Please avoid anonymous functions. Move it to a private function outside.

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Comments from Reviewable

[elliotchance]

Review status: all files reviewed at latest revision, 2 unresolved discussions.

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transpiler/binary.go, line 418 at r1 (raw file):

}

func GenerateAlloc(p *program.Program, allocSize ast.Node, leftType string) (

Does this need to be in the public API? Otherwise use generateAlloc.

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Comments from Reviewable

[Konstantin8105]

Review status: all files reviewed at latest revision, 2 unresolved discussions.

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transpiler/binary.go, line 376 at r1 (raw file):

Previously, elliotchance (Elliot Chance) wrote…

Please avoid anonymous functions. Move it to a private function outside.

Done.

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transpiler/binary.go, line 418 at r1 (raw file):

Previously, elliotchance (Elliot Chance) wrote…

Does this need to be in the public API? Otherwise use generateAlloc.

Done.

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Comments from Reviewable

[elliotchance]

Reviewed 2 of 2 files at r2.
Review status: all files reviewed at latest revision, all discussions resolved.

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Comments from Reviewable