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Fix parsing lambdas with return type

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We should eat only a single block, and not whatever larger expression
may start with a block.

closes #3721
This commit is contained in:
Aleksey Kladov 2020-03-25 16:41:50 +01:00
parent 785eb32f49
commit f6188caaa0
4 changed files with 75 additions and 21 deletions
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1
crates/ra_syntax/test_data/parser/inline/ok/0158_lambda_ret_block.rs Normal file
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@ -0,0 +1 @@
fn main() { || -> i32 { 92 }(); }

45
crates/ra_syntax/test_data/parser/inline/ok/0158_lambda_ret_block.txt Normal file
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@ -0,0 +1,45 @@
SOURCE_FILE@[0; 34)
FN_DEF@[0; 33)
FN_KW@[0; 2) "fn"
WHITESPACE@[2; 3) " "
NAME@[3; 7)
IDENT@[3; 7) "main"
PARAM_LIST@[7; 9)
L_PAREN@[7; 8) "("
R_PAREN@[8; 9) ")"
WHITESPACE@[9; 10) " "
BLOCK_EXPR@[10; 33)
BLOCK@[10; 33)
L_CURLY@[10; 11) "{"
WHITESPACE@[11; 12) " "
EXPR_STMT@[12; 31)
CALL_EXPR@[12; 30)
LAMBDA_EXPR@[12; 28)
PARAM_LIST@[12; 14)
PIPE@[12; 13) "|"
PIPE@[13; 14) "|"
WHITESPACE@[14; 15) " "
RET_TYPE@[15; 21)
THIN_ARROW@[15; 17) "->"
WHITESPACE@[17; 18) " "
PATH_TYPE@[18; 21)
PATH@[18; 21)
PATH_SEGMENT@[18; 21)
NAME_REF@[18; 21)
IDENT@[18; 21) "i32"
WHITESPACE@[21; 22) " "
BLOCK_EXPR@[22; 28)
BLOCK@[22; 28)
L_CURLY@[22; 23) "{"
WHITESPACE@[23; 24) " "
LITERAL@[24; 26)
INT_NUMBER@[24; 26) "92"
WHITESPACE@[26; 27) " "
R_CURLY@[27; 28) "}"
ARG_LIST@[28; 30)
L_PAREN@[28; 29) "("
R_PAREN@[29; 30) ")"
SEMI@[30; 31) ";"
WHITESPACE@[31; 32) " "
R_CURLY@[32; 33) "}"
WHITESPACE@[33; 34) "\n"