r - collapse a list of unevaluated expressions to single expression -

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having following list of unevaluated expressions. 

l = list(quote(f()),quote(g()),quote(h())) str(l) #list of 3 # $ : language f() # $ : language g() # $ : language h()

i collapse list using & function following r result.

r = quote(f() & g() & h()) str(r) # language f() & g() & h()

of course point handle list of length.

you can use reduce this:

reduce(function(a,b) bquote(.(a) & .(b)), l)

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